The Hebrew form, as Eloi, Eloi, etc., is the Syro-Chaldaic (the common language in use by the Jews in the time of Christ) of the first words of the twenty-second Psalm; they mean "My God, my God, why hast thou forsaken me?"
ELI, ELI, LAMA SABACHTHANI
Meaning of ELI, ELI, LAMA SABACHTHANI in English
Smith's Bible English dictionary. Английский библейский словарь Смита. 2012