From Hellas; a Hellen (Grecian) or inhabitant of Hellas; by extension a Greek-speaking person, especially a non-Jew -- Gentile, Greek.
see GREEK Hellas
2. in a wider sense the name embraces all nations not Jews that made the language, customs, and learning of the Greeks their own; so that where Ἕλληνες are opposed to Jews, the primary reference is to a difference of religion and worship: John 7:35 (cf. Meyer at the passage); Acts 11:20 G L T Tr (cf. B. D. American edition, p. 967); Acts 16:1, 3; (Acts 21:28); 1 Corinthians 1:22, 23 Rec.; Galatians 2:3 (Josephus, Antiquities 20, 11, 2); Ἰουδαῖοι τέ καί Ἕλληνες, and the like: Acts 14:1; Acts 18:4; Acts 19:10, 17; Acts 20:21; Romans 1:16; Romans 2:9, 10; Romans 3:9; Romans 10:12; 1 Corinthians 1:24; 1 Corinthians 10:32; 1 Corinthians 12:13; Galatians 3:28; Colossians 3:11. The word is used in the same wide sense by the Greek church Fathers, cf. Otto on Tatian, p. 2; (Sophocles' Lexicon, under the word). The Ἕλληνες spoken of in John 12:20 and Acts 17:4 are Jewish proselytes from the Gentiles; see προσήλυτος, 2. (Cf. B. D. under the word