Icelandic fjöður

← Proto-Germanic *feþrō (derived)

← Proto-Indo-European *péth₂r̥ (derived)

← Proto-Indo-European *peth₂- (mention)

← Old Norse fjǫðr (derived)

→ Icelandic fjaðurpenni (mention)

→ Icelandic fjaðurstafur (mention)

→ Icelandic fiður (mention)

→ Luxembourgish Fieder (cognate)