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."
1. Eider down outerwear has long before taken the place of cotton padded jacket.
2. Eider down clothes of novel design have Been in short supply this winter.
3. And will look with respect to countrywide market, eider down takes sale to show ascendant trend.