Meaning

noun a person belonging to the worldwide group claiming descent from Jacob (or converted to it) and connected by cultural or religious ties

originFrom Middle English Jew, Giu, Giw, Ju, from Old French juiu, Giu, gyu, from Latin iūdaeus (“Judean (i.e. Jew)”), from Ancient Greek Ἰουδαῖος (Ioudaîos), from Ἰουδά (Ioudá), Ἰούδας (Ioúdas, “Judah, Judas, Jude”) + -ιος (-ios, suffix forming adjectives), from Biblical Hebrew יְהוּדָה (y'hudá, “male given name, Yehuda; Judah, Judea”). Doublet of Yid. Displaced Old English Iūdēisċ.

Etymology from Wiktionary, CC BY-SA 3.0