A panegyris (Ancient Greek: πανήγυρις "gathering"), is an Ancient Greek general, national or religious assembly. Each was dedicated to the worship of a particular god. It is also associated with saint days and holy festivals.
Relation to panegyry and panegyric
Πανήγυρις is also transliterated as panegyry, and in turn, some sources define panegyry to be a panegyric. A panegyric is a formal public speech. This could be a separate usage of panegyry, an obsolete usage, or simply an error.
References
Panegyris Wikipedia(Text) CC BY-SA