
1) Greek play 2) Greek poem 3) Play set in ancient Greece 
Found on 
https://www.crosswordclues.com/clue/erotokritos

 Erotokritos (Ἐρωτόκριτος) is a romance composed by Vikentios (Vitsentzos, `Vincenzo`, Vincent) Kornaros in early 17th century Crete. It consists of 10,012 fifteen-syllable rhymed verses, the last twelve of which refer to the poet himself. It is written in the Cretan dialect of the Greek language. Its central theme is love between Ero.....
Found on 
http://en.wikipedia.org/wiki/Erotokritos
  No exact match found.