Breton houad

← Proto-Brythonic *(s)awjetos (inherited)

← Proto-Celtic *awis (derived)

← Welsh hwyad (cognate)

← Irish aoi (mention)

← Proto-Indo-European *h₂éwis (derived)

← Cornish hos (cognate)

← Latin avis (cognate)

← Middle Breton houat (inherited)

→ Welsh hwyad (cognate)

→ Cornish hos (cognate)