
1) Festival in ancient Athens 2) Non-Gregorian June observance
Found on
https://www.crosswordclues.com/clue/arrhephoria

Arrhephoria was a feast among the Athenians, instituted in honor of Athena. The word is derived from the Greek term Ἀρρηφόρια, which is composed of ἀρρητον, `mystery`, and φέρω, `I carry`. This feast was also called Hersiphoria, from Herse, the daughter of Cecrops, on whose account it was established. On the Athenian Acro...
Found on
http://en.wikipedia.org/wiki/Arrhephoria
No exact match found.