Breton beure

← Proto-Celtic *bāregos (inherited)

← Welsh bore (cognate)

← Irish amárach (cognate)

← Cornish - (cognate)

← Old Irish bárach (cognate)

← Old Irish i mbárach (mention)

→ Breton beureoù (suffix)

→ Welsh bore (cognate)

→ Irish amárach (cognate)

→ Cornish bore (cognate)