πεντηκοστή

English (LSJ)

   A v. πεντηκοστός 11.

English (Strong)

feminine of the ordinal of πεντήκοντα; fiftieth (ἡμέρα being implied) from Passover, i.e. the festival of "Pentecost": Pentecost.

English (Thayer)

πεντηκοστῆς, ἡ (namely, ἡμέρα; feminine of πεντηκοστός fiftieth) (from Plato down.), Pentecost (properly, the fiftieth day after the Passover, Philo de septen. § 21; de decal. § 30; cf. Winer's Grammar, 26)), the second of the three great Jewish festivals; celebrated at Jerusalem yearly, the seventh week after the Passover, in grateful recognition of the completed harvest (Josephus, Antiquities 3,10, 6; (14,13, 4; etc.)). (BB. DD. (especially Ginsburg in Alex.'s Kitto) under the word <TOPIC:Pentecost>; Hamburger, Real-Encycl. 1, under the word, Wochenfest; Edersheim, The Temple, chapter xiii.)