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."
Egypt
Egyptian
Egyptology
eh
*ei-
eider
eiderdown
eidetic
eidolon
Eiffel Tower
eight
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