Etymology of the Greek word Ioudaikos (Ἰουδαϊκός, Ἰουδαϊκῶς)
the Greek word Ioudaikos, Ἰουδαϊκός, Ἰουδαϊκῶς (Judaic; resembling a Judaean; Judaically or in a manner resembling a Judaean)
derived from the Greek word Ioudaios, Ἰουδαῖος (Judaean; belonging to Jehudah)