 iotacism).The Greek name Χρίστος is derived from the earlier word χριστός (note the difference in accentuation), meaning "anointed" and which became the Christian theological term for the Messiah.The spelling of the Greek name Χρήστος suggests a derivation from the word χρηστός, which in earlier forms of the language principally meant "useful", and in modern Greek means "ethical, righteous, good, just, upright, virtuous".