Breton loar

← Proto-Brythonic *lloɨr (inherited)

← Proto-Celtic *lugrā (inherited)

← Welsh lloer (cognate)

← Proto-Indo-European *lewk- (mention)

← Cornish loor (cognate)

← Old Breton loir (inherited)

→ Welsh lloer (cognate)

→ Cornish loor (cognate)