Etymology
1. From Middle English fethere, from Old English feþer, from Proto-West Germanic *feþru, from Proto-Germanic *feþrō, from Proto-Indo-European *péth₂r̥ (“feather, wing”), from *peth₂- (“to fly”).
2. Cognate with West Frisian fear (“feather”), Cimbrian bèdara, fòdara (“pillowcase”), vèdara (“feather”), Dutch veder, veer (“feather”), German Feder (“feather”), German Low German Fedder (“feather”), Luxembourgish Fieder (“feather”), Vilamovian faoder (“feather”), Yiddish פֿעדער (feder, “feather”), Danish fjeder, fjer (“feather”), Faroese fjøður (“feather”), Icelandic fjöður (“feather”), Norwegian Bokmål fjær, fjør (“feather”), Norwegian Nynorsk fjøder, fjør (“feather”), Swedish fjäder (“feather”). Also Ancient Greek πέτομαι (pétomai, “to fly”), Albanian shpend (“bird”), Latin penna (“feather”), Old Armenian թիռ (tʻiṙ, “flight”).
3. The sense correlated with splines and keys (noun sense 4) probably reflects analogy with the fletching sense (noun sense 3). See: Middle English Nouns '
fethere', Old English Nouns '
feþer', Dutch Nouns '
veder', German Nouns '
Feder', Danish Nouns '
fjeder', Faroese Nouns '
fjøður', Icelandic Nouns '
fjöður', Norwegian Bokmål Nouns '
fjær', Swedish Nouns '
fjäder', Latin Nouns '
penna'.
Verbs referencing "feather"
German Nouns
Feder, Dutch Nouns
veer, Dutch Nouns
veder, Old Norse Nouns
fjǫðr, Ancient Greek Nouns
πτερόν, Norwegian Bokmål Nouns
fjær, Danish Nouns
fjer, Irish Nouns
éan, Norwegian Bokmål Nouns
fjør, Norwegian Nynorsk Nouns
fjør, Greek Nouns
πτηνό.