Old Irish nuae

← Breton nevez (cognate)

← Proto-Celtic *nouyos (inherited)

← Welsh newydd (cognate)

← Proto-Indo-European *new- (root)

← Proto-Indo-European *néwos (inherited)

→ Welsh newydd (cognate)

→ Irish nua (inherited)

→ Scottish Gaelic nuadh (inherited)

→ Manx noa (inherited)

→ Middle Irish núa (inherited)