英语词根

• 词根：-electr- 【词根含义】：电 【词根来源】：来源于拉丁语名词electrum, electri, n(琥珀,电),早期“电”的现象是通过摩擦琥珀而产生的(可以吸引微小而重量轻的物体),直到后来随着科学的进步和发展,电的其它现象实际上也被包括进来了。 【同源单词】： electric , electrical , electrician , electricity , electrify
• 词根：-ed- 【词根含义】：吃 【词根来源】：来源于原始印欧语ed-(吃),希腊语为edein,拉丁语为edere。 【同源单词】： edible
• 词根：-eco- 【词根含义】：生态,经济 【词根来源】：来源于希腊语oikos(房屋,家园)。 【同源单词】： ecological , ecology , economic , economical , economically
• 词根词缀：dulci-, dulc- 【来源及含义】Latin: sweet, pleasant, charming 【同源单词】 dulcet , dulciana , dulcifluous , dulcify , dulcigenic , dulciloquy
• 词根词缀：duc-, -duce, -duct, -ducent, -ductor, -duction, -ductive, -ducer, -ducement, -ducation 【来源及含义】Latin: to lead, leading; bringing; to take; to draw along or out 【相关词根词缀】;Cross references of word families related to "bear, carry, bring" : ; -fer ; ; ger- ; ; later-, -lation ; ; phoro- , port- .A cross reference of word units that are related, directly and/or indirectly, with "tube, pipe": ; aulo- , can-, cann- , fistul- , siphon- , syringo- , tub- . 【同源
• 词根词缀：dry-, dryo- 【来源及含义】Greek: oak tree; by extension, "tree" 【同源单词】 druid , dryad , Dryope , Dryophyllum , Dryosaurus , dryotomos
• 词根词缀：droso-, dros- 【来源及含义】Greek: dew 【同源单词】 drosograph , drosometer , drosophila , drosophile , drosophilous , drosopterin
• 词根词缀：dromo-, drom-, -drome, -dromic, -dromical, -dromous 【来源及含义】Greek: running, course; race, racecourse 【同源单词】 adromia , aerodromic , aerogenerator , airdrome , amphidromous , anadromous
• 词根词缀：drepano-, drepan- 【来源及含义】Greek: sickle 【同源单词】 drepanocyte , drepanocytemia , drepanocytic
• 词根词缀：drama- 【来源及含义】Greek Late Latin: to do, to accomplish 【同源单词】 docudrama , drama , dramatic , dramatis personae , dramatist , dramatization
• 词根词缀：draco-, drac- 【来源及含义】Greek Latin: dragon; a kind of serpent; snake; a kind of fish; by extension, a festering sore 【同源单词】 dracontiasis , dracuncular , dracunculiasis , Dracunculidae , Dracunculoidea , dracunculosis
• 词根词缀：dox-, -doxy, dog-, dogma-, dogmato- 【来源及含义】Greek: believe, belief; that which is thought to be true; opinion, doctrine, decree; praise; confidence 【相关词根词缀】;Cross references of word families that are related directly, or indirectly, to: "faith, trust; faithful, trusting; believe, belief": ; cred- , fid- . 【同源单词】 adoxal , adoxy , cacodox , cacodoxy , dogma , dogmatic
• 词根词缀：doul-, dulo-, dul- 【来源及含义】Greek: slave, servile, slavish; servitude; serving 【相关描述】A doula supports a woman and her family in achieving the kind of birth that they desire. A doula works in homes, hospitals, and birth centers; and gives, emotional, physical, and informational support. A careprovider, be he/she a midwife, OB/gyn, or family practitioner, will take care of a woman's prenatal ca
• 词根词缀：dorso-, dors-, dorsi-, -dorsal 【来源及含义】Latin: back, on the back, pertaining to the back, near the back 【相关词根词缀】;Word families with similar applications: "back, backside" word units:; lumbo- (loin, lower back), nuch- (nape of the neck), pygo- (rump, rear end, back side). 【同源单词】 antedorsal , centrodorsal , dorsa , dorsad , dorsal , dorsalis
• 词根词缀：dorm-, dormi- 【来源及含义】Latin: sleep, sleeping 【相关词根词缀】;Related "sleep" units: ; hypno- , letho- , narco- , oneiro- (dream) , somni- , sopor- . 【同源单词】 condorm , dorm , dormant , dormer , dormeuse , dormient
• 词根词缀：dom-, domo-, domat-, domato- 【来源及含义】Greek Latin: house, home ["master, lord" of the house] 【相关词根词缀】Related "home; house" word units: ; ecdemo- , eco- , nosto- .Cross references of word families related directly, or indirectly, to: "master, lead, leading, ruler, ruling, govern": ; -agogic , agon- , arch- , -crat , gov- , magist- , poten- , regi- , tyran- . 【同源单词】 condominial , condomin
• 词根词缀：doloro-, dolor-, dolori- , dol- 【来源及含义】Latin: to feel pain, to grieve; sorrow, grief, mourning 【相关词根词缀】;Cross references related to "pain, hurt; suffering, injury" word families: ; -agra , algesi- , algo- , angina- , Masochism , noci- , odyno- , poen- , pono- (toil, work; pain), Sadism . 【同源单词】 ad partes dolentes , condolatory , condole , condolence , dole , doleful
• 词根词缀：dolo-, dol- 【来源及含义】Greek Latin: guile, deceit, deception 【同源单词】 dolose , subdolous
• 词根词缀：dolich-, dolicho- 【来源及含义】Greek: long; used in extended senses as, "abnormally long"; narrow 【同源单词】 acrodolichomelia , dolichocephalic , dolichocolia , dolichocolon , dolichoderus , dolichoeuromesocephalus
• 词根词缀：dodeca-, dodec- 【来源及含义】Greek: twelve 【同源单词】 dodecadactylitis , dodecadactylon , dodecagon , dodecahedral , dodecahedron , dodecaphony
• 词根词缀：doc-, doct- 【来源及含义】Latin: teach, instruct 【同源单词】 Docendo discimus , Docendum et discendum , docent , Docet Omnia , docile , docility
• 词根词缀：divid-, divis- 【来源及含义】Latin: to separate; a separation 【同源单词】 device , devise , deviser , divide , divide , Divide et impera
• 词根词缀：diverticul- 【来源及含义】Latin: [from di- , "apart" and vertere , "to turn"] by-road, digression, deviation; to turn away, go in different directions 【相关描述】Used in the specialized sense of "tubular pocket or pouch that branches off from a bodily cavity or canal". 【相关词根词缀】;Inter-related cross references involving word units meaning "bend, curve, turn" :; diversi- , flect-, f
• 词根词缀：diversi-, divers-, divert- 【来源及含义】Latin: different, separate, opposite; literally, turned away [from each other] 【相关描述】Directly related to the large vers-, vert- family of words. 【相关词根词缀】;Inter-related cross references involving word units meaning "bend, curve, turn" :; diverticul- , flect-, flex- , gyro- , meand- , -plex , streph- , stroph- , tors- , tropo- , verg- , vers- , volv-
• 词根词缀：distric- 【来源及含义】Latin: political or geographical division 【同源单词】 district , district attorney , district energy , district judge , District of Columbia , redistrict
• 词根词缀：disco-, disc-, disko-, disk- 【来源及含义】Greek Latin: disk; round plate thrown in athletic competitions; used primarily in the extended sense of "something shaped like a round plate" 【同源单词】 blastodisc , compact disc read-only memory , Compact Disc Rewritable storage , Compact Disc-Recordable , disc , disc
• 词根词缀：discip- 【来源及含义】Latin: discipulus , pupil, apprentice; instruction, teaching, learning (to learn), knowledge 【相关词根词缀】;Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning" :; cogni- , gno- , histor- , intellect- , learn, know , math- , sap- , sci- , sopho- . 【同源单词】 A bove majori discit arare minor ,
• 词根词缀：dis-, di-, dif- 【来源及含义】Latin: separation, apart, asunder; removal, away, from; negation, deprivation, undoing, reversal, utterly, completely; in different directions 【相关描述】The meaning of dis - varies with different words; dif -, assimilated form of dis - before f ; di -, form of dis - before b , d , g , l , m , n , r , and v . 【同源单词】 diffect , differ , difference , different
• 词根词缀：dire- 【来源及含义】Latin: fearful, awful, boding ill, ill-omened, horrible, terrible 【同源单词】 diarist , dire , dire straits , dire , direful , direfully
• 词根词缀：dipso-, -dipsia, -dipsy, -dipsias 【来源及含义】Greek: thirst, thirsty [toward "drink"] 【相关词根词缀】;Related "drink" units: ; bib- , haust- , nectar- , poto- . 【同源单词】 adipsia , adipsous , adipsy , anadipsia , anadipsic , dipsesis
• 词根词缀：diplo-, dipl- 【来源及含义】Greek: double [two-fold] 【同源单词】 diplobacillus , diplobacteria , diplobacterium , diploblastic , diplocardia , diplocardiac
• 词根词缀：diphther- 【来源及含义】Greek Latin French: leather, prepared hide, membrane 【同源单词】 diphteroid , diphtheria , diphtherial , diphtheritic , diphtheritis , diphtherotoxin
• 词根词缀：dino-, din- 【来源及含义】Greek: fearful, frightful; terrible, powerful 【同源单词】 Dinocera , Dinornis , dinornithic , dinosaur , Dinosaura , Dinosauria
• 词根词缀：diko-, dik-, dico-, dic- 【来源及含义】Greek: a judge; right, order, law, manner; justice 【同源单词】 dicast , dicastery , dicastic , dikasteria , Dike , dikephobia
• 词根词缀：dign-, dain- 【来源及含义】Latin: worthy of respect and esteem; a positive regard and honor for 【同源单词】 condign , condignly , daintily , dainty , deign , dignifiedly
• 词根词缀：digit-, digiti- 【来源及含义】Latin: finger, toe; from Greek daktylos 【相关词根词缀】;Cross references directly, or indirectly, involving the "toes" and "fingers" :; dactylo- , hallu- , phalang- . 【同源单词】 bidigitate , binary digit , digit , digital , digital arteries , digital audio
• 词根词缀：di-, die-, -diem, diurn- 【来源及含义】Latin: day 【相关描述】Don't confuse this dies , "day" (DEE uhs) with the verb dies (DIGHZ) which refers to "dying" or "death". 【相关词根词缀】Another related "day" unit is located at hemer- . 【同源单词】 adjourn , adjournment , antemeridian , Carpe diem , circadian , diary
• 词根词缀：didym- 【来源及含义】Greek: twin; testicle 【相关描述】Words that include the Greek element didym- which oddly provides us with words referring to "twins" or "testes". 【同源单词】 cryptodidymus , didymalgia , didymitis , didymus , epididymis , epididymitis
• 词根词缀：didact- 【来源及含义】Greek: didaktikos , skilled at teaching, teach; teacher 【同源单词】 autodidact , autodidactic , autodidactically , autodidacticism , didactic , didactically
• 词根词缀：dictyo- 【来源及含义】Greek: net, netlike 【同源单词】 archedictyon , archidictyon , dictyogen , dictyospore , dictyostele , hydrodictyon
• 词根词缀：dic-, dict- 【来源及含义】Latin: talk, speak, say, tell, declare; to proclaim; to indicate 【相关词根词缀】Cross references of word families related directly, or indirectly, to: "talk, speak, speech; words, language; tongue, etc." : ; cit- ; ; clam- ; ; fa- ; ; -farious , glosso- ; ; glotto- ; ; lalo- ; ; linguo- , locu- ; ; logo- ; ; loqu- ; ; mythico- ; ; -ology , ora- , -phasia ; ; -phemia ;
• 词根词缀：diabolo-, diabol- 【来源及含义】Greek: devil, demon [literally, "to throw across;" then, "to attack, to slander"] 【同源单词】 adiabolist , devil , deviltry , diablerie , diabolepsy , diabolical
• 词根词缀：dia-, di- 【来源及含义】Greek: through, thoroughly; across; entirely, utterly 【同源单词】 adenodiastasis , adiabatic , adiabolist , adiactinic , adiadochocinesia , adiadochocinesis
• 词根词缀：di-, dicho-, dich- 【来源及含义】Greek: number two; twice, divided, double; unalike; a number used as a prefix 【同源单词】 diacanthous , diacid , diadelphous , dianthous , diarch , diarchy
• 词根词缀：dexter-, dextra-, dextro- 【来源及含义】Latin: right, right hand, to the right; therefore, "skillful, fortunate" 【同源单词】 ambidexter , ambidexterity , ambidextrous , ambisinistrodextrous , ambo dexter , amylodextrin
• 词根词缀：deuter-, deutero-, deut- 【来源及含义】Greek: two; second [in a series] 【同源单词】 deuteragonist , deuteranomalous , deuteranomaly , deuteranopia , deuteranopic , deuteripara
• 词根词缀：deterior-, deteriorat- 【来源及含义】Latin: to make worse, to become worse; lower, inferior; unfavorable; decline, declining; diminish, diminishing 【同源单词】 alcoholic deterioration , biodeterioration , deteriorate , deterioration , deterioration of attention , deteriority
• 词根词缀：desm-, desmo- 【来源及含义】Greek: band, bond; ligament 【同源单词】 anisodesmic , desmectasia , desmitis , desmocranium , desmogenous , desmography
• 词根词缀：-desis 【来源及含义】Greek: to bind, binding, fusing; surgical fixation 【同源单词】 arthrodesis , epiphysiodesis , fasciodesis , parasyndesis , pleurodesis , spondylosyndesis
• 词根词缀：dermo-, derm-, derma-, dermato-, dermat-, -derm, -derma, -dermatic, -dermatous, -dermi 【来源及含义】Greek: skin 【同源单词】 acarine dermatosis , acarodermatitis , achromoderma , achromodermia , acrodermatitis , acrodermatosis
• 词根词缀：der-, dero- 【来源及含义】Greek: neck 【同源单词】 derodidymus
• 词根词缀：deorsum- 【来源及含义】Latin: downward, downwards 【同源单词】 deorsum , deorsumduction , deorsumvergence , deorsumversion
• 词根词缀：deon-, deont- 【来源及含义】Greek: duty, that which is binding; obligation; necessity 【同源单词】 deontic , deontic logic , deontological , deontological ethics , deontologism , deontologist
• 词根词缀：dento-, dent-, denta-, dentino-, denti-, dentin- 【来源及含义】Latin: tooth, teeth 【相关词根词缀】;Related "tooth, teeth" word units: ; bruxo- ; ; odonto- . 【同源单词】 bident , bidentate , dandelion , dental , dentate , denticle
• 词根词缀：densi-, dens- 【来源及含义】Latin: thick, thickly set, crowded, compact 【同源单词】 condensable , condensate , condensate well , condensation , condensative , condense
• 词根词缀：dendro-, dendr-, dendri-, -dendria, -dendrite, -dendritic, -dendra, -dendron 【来源及含义】Greek: tree, tree-like structure; trees 【同源单词】 acrodendrophilous , adendric , Argyrodendron , axodendritic , cytodendrite , dendral
• 词根词缀：demulc- 【来源及含义】Latin: to soothe 【同源单词】 demulce , demulceate , demulceation , demulcent , demulcent , demulcetive
• 词根词缀：demonstra- 【来源及含义】Latin: to point out, to indicate, to show 【相关描述】The words in this unit come from Latin de- , "utterly, completely" (in this situation) plus monstrare , "to show, to point out" (from monstrum , "divine portent", which came from monere , "to warn"). 【相关词根词缀】;Cross references of word families that are related directly, or indirectly, to: "appear, visib
• 词根词缀：demono-, demon-, -demonic, -demon, -demonical, -demoniac, daemono-, -daemonic, -daemon 【来源及含义】Greek: devil, demon [evil spirit]; an intermediary spirit between gods and men which could be good or evil 【同源单词】 ademonist , agathodemon , agathodemonic , antidemoniac , cacodaemonomania , cacodemon
• 词根词缀：demo-, dem-, demio-, -demic, -deme, -demically 【来源及含义】Greek: people, population 【相关描述】From Greek, district, country, land, and the people who inhabit those territories. 【相关词根词缀】Related "people, human" word units: ; anthropo- , ethno- , ochlo- ; ; popu- ; ; publi- . 【同源单词】 biodemography , cenodemocracy , cyberdemocracy , demagogue , democracy , democrat
• 词根词缀：demi- 【来源及含义】Latin: half 【同源单词】 demibastion , demigod , demigoddess , demilitarization , demilitarize , demilune
• 词根词缀：delta, delt- 【来源及含义】Greek: triangular; fourth letter; Δ, δ, of the Greek alphabet 【同源单词】 delt , delta , Delta Aquarids , delta bar , delta connection , delta flat
• 词根词缀：delt-, delto- 【来源及含义】Greek: writing-tablet 【同源单词】 deltiologist , deltiology
• 词根词缀：delo-, del- 【来源及含义】Greek: visible, clear, clearly seen; obvious 【相关词根词缀】;Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": ; blep- , demonstra- , opt- , -orama , pare- , phanero- , phant- , pheno- , scopo- , spec- , vela-, veal- , video-, visuo- . 【同源单词】 adelomorphous , adelopo
• 词根词缀：deliri- 【来源及含义】Latin: madness; crazy, rave, deranged; literally, to go off the furrow; from delirare , "to turn aside from the furrow", whence arose the meanings "to deviate, to become deranged, to be crazy, or to be delirious" 【相关词根词缀】Inter-related cross references, directly or indirectly, involving the "mind, mental" word units: ; anima- , anxi- , hallucina- , menti- , moro
• 词根词缀：deleter-, deleteri- 【来源及含义】Greek: to harm, to hurt, to injure, to damage, to destroy; destroyer; harmful 【同源单词】 deleterious , deleteriously , deleteriousness , deletery
• 词根词缀：dele-, deli- 【来源及含义】Latin: to destroy, to efface, to abolish, to obliterate 【同源单词】 dele , deleble , delenda , delete , deleted , deletion
• 词根词缀：deipno-, deipn- 【来源及含义】Greek: dinner; dining 【同源单词】 deipno-diplomatic , deipnophobia , deipnosophist
• 词根词缀：dei-, div- 【来源及含义】Latin: God, god, godly; deity, divine nature 【相关词根词缀】Related religious -word units: ; church , ecclesi- , fanati- , hiero- , idol- , -olatry ; ; theo- , zelo- . 【同源单词】 actus Dei , ad majorem dei gloriam , adieu , agnostic , D , Dei sub numine viget
• 词根词缀：decor- 【来源及含义】Latin: proper, dignified, fitting, seemly right; suitability 【同源单词】 decent , decor , decorate , decoration , decorative , decorative arts
• 词根词缀：decem-, decim-, deci-, dec- 【来源及含义】Latin: ten; also, a decimal prefix used in the international metric system for measurements 【相关描述】In the metric [decimal] system, deci - [DE si] is used to show 1/10 of a unit, as 10-1 [0.1]; tenth [U.S.] and tenth part [U.K.]. The metric symbol is d . 【相关词根词缀】;Related "metric" families: ; yotta ; ; zetta , exa ; ; peta , tera , giga ; ; mega , kilo
• 词根词缀：deca-, dec-, deka-, dek- 【来源及含义】Greek: ten; a decimal prefix used in the international metric system for measurements 【相关描述】In the metric [decimal] system, deka - is used to show whole units: ten [U.S.] and tenfold [U.K.]; 101 [10]. The metric symbol for deka - is da . 【相关词根词缀】;Related "metric" families: ; yotta ; ; zetta , exa ; ; peta , tera , giga ; ; mega , kilo ; ; hecto , de
• 词根词缀：de- 【来源及含义】Latin: from, away from, off; down; wholly, entirely, utterly, complete; reverse the action of, undo; the negation or reversal of the notion expressed in the primary or root word 【同源单词】 de die in diem , de facto , De gustibus non est disputandum , de jure , De minimis non curat praetor , De mortuis nihil nisi bonum
• 词根词缀：dat-, dos-, dot-, dow-, don-, dit- 【来源及含义】Greek + Latin: dare , to give, a giving, given; a gift; to grant, to offer 【相关词根词缀】 posology page. 【同源单词】 a datu , a die datus , air dose , anecdote , antidotal therapy , antidote
• 词根词缀：dasy- 【来源及含义】Greek: thick, shaggy, hairy, dense 【同源单词】 dasymeter , dasypedes , dasyphyllous , dasypod
• 词根词缀：damn-, demn- 【来源及含义】Latin: to harm, damage, loss; sentence to punishment, doom; worthy of condemnation 【同源单词】 ad quod damnum , condemn , condemnable , condemnation , condemnatory , condemned
• 词根词缀：dactylo-, dactyl-, dactylio-, -dactyl, -dactyla, -dactylia, -dactylic, -dactylism, -da 【来源及含义】Greek: finger, toe 【相关词根词缀】;Cross references directly, or indirectly, involving the "toes" and "fingers" :; digit- , hallu- , phalang- . 【同源单词】 acrocephalopolysyndactyly , acrocephalosyndactylia , acrocephalosyndactyly , adactyl , adactylia , adactylism
• 词根词缀：dacryo-, dacry- 【来源及含义】Greek: tear, tears; as from a tear-gland or the tear-glands in the eyes 【相关词根词缀】Related "tear, tears; as in crying" word unit: lacrimo- . 【同源单词】 adacrya , conjunctivodacryocystorhinostomy , conjunctivodacryocystostomy , dacryadenalgia , dacryadenitis , dacryagogatresia
• 后缀：-dom [名词后缀] 后缀： -dom [名词后缀] 1、表示情况、状态、性质、身份 freedom 自由 chiefdom 首领身份，地位 widom 智慧 serfdom 农奴身份 bachelordom （男子）独身 beggardom 乞丐身份 monkdom 和尚身份 martyrdom 殉难，殉国 2、表示领域、“...界”、集体、总称 kingdom 王国，领域 Christendom 基督教世界，基督教徒总称 sportsdom 体育界 fi
• 前缀：dys- 不良、恶、困难 dysfunction 机能失调 dysphonia 发音困难 dyspepsia 消化不良 dyspathy 反感 dysgenesis 生殖力不良 dysopsy 视力弱，弱视
• 前缀：dis- 1、不、无、相反 dislike 不喜欢 disagree 不同意 discontinue 不继续，中断 disorder 无秩序，混乱 disproof 反证 disbelieve 不相信 dispraise 贬损，非难 dishonest 不诚实的 disremember 忘记 disappear 不见，消失 disability 无能，无力 discomfort 不舒服 2、取消，除支、毁 disforest 砍伐森林 disroot 拨根，根除 discourage 使失去勇气 di
• 前缀：dif- 分开, 否定, 不 diffluence 分流 differ 不同，相异 diffident 不自信的 diffuse 散开，散布
• 前缀：dia- 贯通, 对穿, 透过, 相对 diagonal 对角线 dialogue 对话 diameter 直径 diathermal 透热的
• 前缀：di- 二, 双 diatomic 二原子的 dichromatic 两色的 disyllable 双音节词 dioxide 二氧化物 ditheism 二神论 diacid 二酸 digamy 二婚，再婚 diarchy 双头政治
• 前缀：demi- 半 demigod 半神半人 demiwolf 半似狼之犬 demi-fixed 半固定的 demidevil 半恶魔 demitint （绘画）半浓半淡 demilune 半月，新月
• 前缀：deci- 十分之一 decigram 十分之一克 deciliter 十分之一升，分升 decimeter 十分之一米，分米 deciare 十分之一公亩
• 前缀：deca- 十 decasyllable 十音节词 decagon 十角形 decameter 十米 decagram 十克
• 前缀：de- 1、否定，非，相反 denationalize 非国有化 destruction 破坏 demilitarize 使非军事化 demobilize 复员（与mobilize相反） decolonize 使非殖民化 depoliticize 使非政治化 dement 缺点（非优点） deemphasize 使不重要 decompose 分解（与compose相反） dechristianize 非基督教 dematerialize 非物质化 2、除去，取消，毁 desalt 除去盐分 deforest
• 词根：drom 跑 aerodrome [aero航空→飞机，drom跑;’路飞机的地方”] 飞机场 hippodrome [hippo马，drom跑;’跑马的地方”] 跑马场，赛马场，马戏场 motordrome [motor汽车，drom跑;’跑汽车的地方”] 汽车比赛场，汽车试车场 prodrome [pro-前，drom跑，’跑在前面”] 序论;[医学]前驱症状 prodromic [见上，-ic…的] 序论的，前驱症状的 synd
• 词根：dorm 睡眠 dormitory [dorm睡眠，-ory名词后缀，表场所，地点] 集体寝室，社会公德 dormant [dorm睡眠，-ant形容词后缀，…的] 休眠的，蛰伏的 dormancy [dorm睡眠，-ancy名词后缀，表示状态] 休眠，蛰伏 dormitive [dorm睡眠，-ive名词及形容词后缀] 安眠的;安眠药 endorm [en-使…，dorm睡] 使入睡，催眠