Of or relating to Hellas (Greece) or the Hellenes (Greeks).
Of or relating to the ancient Greek culture and civilization before the Hellenistic period.
The Greek language and its dialects from the earliest records (Linear B inscriptions, about 1600-1300 B.C.E.) to the present Modern Greek.
Of or relating to a Hellenist.
Of or relating to the period of the Greek culture, history, or art after the death of Alexander the Great (323 B.C.) to the defeat of Cleopatra and Mark Antony by Octavian (31 B.C.) – though this end-point is often debated, and can range from 146BC to 330ADhttps://en.wikipedia.org/wiki/Hellenistic_period.