φιλαδέλφεια
Could not find Φιλαδελφηνῇ in Logeion dictionaries.
Φιλαδελφηνῇ Proper-name noun feminine dative singular of Φιλαδελφηνή
φῐλᾰδέλφ-εια (sc. ἱερά), τά, name of a festival in honour of Ptolemy Philadelphus, Inscr.Delos 314 B 169 (iii B. C.), IG 2(2).2197.15; also in sg., Sardis 7(1).79 C 8 (iii A. D.).
φιλαδέλφεια, τά, sc. ἱερά, ein Fest, s. Morgenstern zu Richters Wallfahrten im Morgenlande p. 636.