πεντηκοστός, -ή, -όν
[in LXX for חֲמִישִׁי, חֲמִישִׁי, Lev.25:10-11, 4Ki.15:23 15:27; 1Ma.4:1-61, 2Ma.14:4; ἡ π., Tob.2:1, 2Ma.12:32 * ;]
fiftieth. As subst., ἡ π.;
__(a) (sc. μερίς), at Athens, a tax of two per cent.;
__(b) (sc. ἡμέρα, i.e. the fiftieth day after the Passover), Pentecost, the second of the three great Jewish feasts (To, 2Mac, ll. with; ἑορτὴ ἑβδομάδων, Deu.16:10, al.) : Act.2:1 20:16, 1Co.16:8.†
(AS)