Old English ædre

← German Ader (cognate)

← Middle English yēder (link)

← Proto-Germanic *ēdraz (inherited)

← Proto-West Germanic *ādrā (inherited)

← Old High German ādra (cognate)

← Old High German atar (cognate)

← Ancient Greek ἦτορ (cognate)

← Proto-Indo-European *āt- (derived)

← Latin uterus (cognate)

← Latvian ātrs (cognate)

← Dutch ader (cognate)

← Old Norse æðr (cognate)

← Old Saxon -āðara (cognate)

← Old Saxon adro (cognate)

← Old Irish inathar (cognate)

← Swedish åder (cognate)

→ Finnish Eura (cognate)