英语词汇eider的起源、历史背景-英语词源词典

词汇	eider
词源	eider n. type of duck, 1743, from German Eider or Dutch eider, both from Old Norse æþar, genitive of æþr "duck," according to Watkins from a North Germanic root athi-, from Proto-Germanic ethi-, from PIE "probable root" eti- "eider duck." Entries linking to eider* eiderdown n. "soft feathers of the eider-duck" (such as it uses to line its nest), 1774; see eider + down (n.1). Ultimately from Icelandic æðardun, via a Scandinavian source (compare Danish ederdunn) or German Eiderdon. updated on November 23, 2014
随便看	undulation unduly undying une unearned unearth unearthly uneasy uneducated unelectable unemancipated unemotional unemployed unemployment unencumbered unending unendurable un-english unenlightened unenthusiastic unenviable unequal unequivocal unerring unesco

英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。

eider n.