英文词源
- noctilucent cloud
- "A luminous cloud of a kind occasionally seen at night in summer in high latitudes, at the altitude of the mesopause", Late 19th century: from Latin nox, noct- 'night' + lucere 'to shine' + -ent.
中文词源
-noct-(夜)来源于原始印欧语nokt。
词根词缀： -noct-夜 + -i- + -luc-光,照 + -ent形容词词尾
该词的英语词源请访问趣词词源英文版：noctilucent 词源，noctilucent 含义。
