erg词源

英文词源

erg (n.1)

unit of energy in the C.G.S. system, coined 1873 by the British Association for the Advancement of Science, from Greek ergon "work" (see organ).

erg (n.2)

"region of drifting sand dunes," 1875, from French erg (1854), from North African Arabic 'irj, from a Berber word.