Cornish bore

← Breton beure (cognate)

← Proto-Celtic *bāregos (inherited)

← Irish amáireach (cognate)

← Irish amárach (cognate)

← Old Irish báireach (cognate)

← Old Irish bárach (cognate)

← Old Irish i mbáireach (mention)

← Old Irish i mbárach (mention)

→ Irish amárach (cognate)