Etymology From Old French proselite, from Late Latin proselytus (“proselyte, alien resident”), from Ancient Greek προσήλυτος (prosḗlutos, “newcomer, convert”) (from πρός (prós, “to, towards”) and the stem -ηλυ- of ἐλήλυθα (elḗlutha), perfect of ἔρχομαι (érkhomai, “come”)), translation of Hebrew גר (ger) in the Septuagint translation of the Torah (e.g., Exodus 12:49); also used in Matthew 23:15, Acts 2:10, Acts 6:5.
1
One who has converted to a religion or doctrine, especially a gentile converted to Judaism.
Woe unto you, scribes and Pharisees, hypocrites! for ye compass sea and land to make one proselyte, and when he is made, ye make him twofold more the child of hell than yourselves.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Matthew 23:15:
That evening the young nun lay exhausted between life and death in a brain fever, while all Naples was ringing with the faith, beauty, and fervour of the English proselyte.1831, L[etitia] E[lizabeth] L[andon], chapter X, in Romance and Reality. […], volume III, London: Henry Colburn and Richard Bentley, […], →OCLC, page 218:
Etymology From Old French proselite, from Late Latin proselytus (“proselyte, alien resident”), from Ancient Greek προσήλυτος (prosḗlutos, “newcomer, convert”) (from πρός (prós, “to, towards”) and the stem -ηλυ- of ἐλήλυθα (elḗlutha), perfect of ἔρχομαι (érkhomai, “come”)), translation of Hebrew גר (ger) in the Septuagint translation of the Torah (e.g., Exodus 12:49); also used in Matthew 23:15, Acts 2:10, Acts 6:5.