Old Irish amnair

← Breton eontr (cognate)

← Proto-Celtic *awontīr (inherited)

← Welsh ewythr (cognate)

← German Awwe (mention)

← German Ohm (mention)

← Proto-Indo-European *h₂éwh₂os (inherited)

← Cornish ewnter (cognate)

← Latin avus (cognate)

← Middle Irish ó (cognate)

→ Welsh ewythr (cognate)