Cornish bleydh

← Breton bleiz (cognate)

← Proto-Brythonic *blėð (inherited)

← Proto-Celtic *bledyos (inherited)

← Proto-Celtic *bledā (mention)

← Welsh blaidd (cognate)

← Old Cornish bleit (inherited)

← Old Irish bled (mention)

→ Breton bleiz (cognate)

→ Welsh blaidd (cognate)

→ Cornish morvleydh (compound)