Old Irish líath

← Breton loued (cognate)

← Proto-Celtic *ɸlētos (inherited)

← Welsh llwyd (cognate)

← English fallow (cognate)

← Proto-Indo-European *pelH- (root)

← Proto-Indo-European *pelH- (derived)

← Cornish loys (cognate)

→ Irish liath (inherited)

→ Scottish Gaelic liath (inherited)

→ Manx lheeah (inherited)

→ Old Irish Líadain (mention)