Cornish lo

← Breton loa (cognate)

← Breton loé (mention)

← Breton lui (mention)

← Proto-Brythonic *lluɨɣ (inherited)

← Proto-Celtic *lēgā (inherited)

← Welsh llwy (cognate)

→ Welsh llwy (cognate)

→ Irish liach (cognate)

→ Manx lheegh (cognate)

→ Cornish loyow (suffix)