hellenistic language
Webster's Dictionary (GCIDE)
Hellenistic \Hel`le*nis"tic\, Hellenistical \Hel`le*nis"tic*al\, a. [Cf. F. Hell['e]nistique.] Pertaining to the Hellenists. [1913 Webster]
Hellenistic language, Hellenistic dialect, or Hellenistic idiom, the Greek spoken or used by the Jews who lived in countries where the Greek language prevailed; the Jewish-Greek dialect or idiom of the Septuagint. [1913 Webster]