Hellenic

Short definition from Wiktionary

Adjective

1. 1
   Of or relating to the ancient Greek culture and civilization before the Hellenistic period.
2. 2
   Of or relating to Hellas (Greece) or the Hellenes (Greeks).

Proper noun

1. 1
   The Greek language and its dialects from the earliest records (Linear B inscriptions, about 1600-1300 B.C.E.) to the present Modern Greek.