γενέσια, -ων, τά, neut. pl. of adj. -ιος, -ον, relating to birth (γένεσις); 1. in Attic Gk., a commemoration of the dead. 2. In late Gk., a birthday feast (= cl. γενέθλια; so in π., see MM, Exp., x; cf. also Ῥutherford, NPhr., 184): Mat.14:6, Mrk.6:21. † (AS)
STRONG'S WORD STUDY
G1077 — γενέσια, γενέθλιος
genesia, genethlios · birthday · Greek