Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
panhellenic is an adjective meaning "of or relating to all the Greeks". It carries one recorded sense.
of or relating to all the Greeks
“the Olympic Games were a Panhellenic celebration”
Definitions, synonyms and semantic relations for panhellenic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .