Breton bleiz

← Proto-Brythonic *blėð (inherited)

← Proto-Celtic *bledyos (inherited)

← Proto-Celtic *bledā (mention)

← Welsh blaidd (cognate)

← Cornish bleydh (cognate)

← Old Breton bleid (inherited)

← Old Irish bled (mention)

→ Breton bleizez (suffix)

→ Welsh blaidd (cognate)

→ Cornish bleydh (cognate)