←
Old English feþer (inherited)
←
Middle English feþer (inherited)
←
West Frisian fear (cognate)
←
Proto-Germanic *feþrō (inherited)
←
Proto-West Germanic *feþru (inherited)
←
Proto-Indo-European *peth₂- (root)
←
Proto-Indo-European *péth₂r̥ (inherited)
←
Proto-Indo-European *peth₂- (mention)
←
Norwegian Bokmål fjær (cognate)
←
Norwegian Bokmål fjør (mention)
←
German Low German Fedder (cognate)
←
Norwegian Nynorsk fjør (cognate)
←
Old Armenian թիռ (cognate)
→
West Frisian fear (cognate)
→
Ancient Greek πτερόν (cognate)
→
Japanese フェザー (borrowed)
→
Luxembourgish Fieder (cognate)
→
Norwegian Bokmål fjær (cognate)
→
Norwegian Bokmål fjør (cognate)
→
German Low German Fedder (cognate)
→
Norwegian Nynorsk fjør (cognate)
→
Old Norse fjǫðr (cognate)
→
Northern Tepehuan ánai (link)
→
Pennsylvania German Fedder (cognate)
→
Serbo-Croatian ptica (cognate)