
1) Ancient Greek hymn 2) Church music 3) Processional 4) Religious music
Found on
https://www.crosswordclues.com/clue/prosodion

Not to be confused with prosody Prosodion (Greek: Προσόδιον) in ancient Greece was a processional song to the altar of a deity, mainly Apollo or Artemis, sung ritually before the Paean hymn. Prosodia had been composed by Eumelus of Corinth and Limenius, as well the various winners in art competitions (Mouseia). The etymology of the word i...
Found on
http://en.wikipedia.org/wiki/Prosodion
No exact match found.