Giúdachas (Irish) comes from Irish giúdach, from Irish Iúdach, from Old Irish Iúdae, from Latin Iūdaeus, from Ancient Greek Ἰουδαῖος, from Ancient Greek Ἰουδά, from Hebrew יְהוּדָה — Judas; Judah, Judas.
Giúdachas (Irish): Judaism