πιθοίγια
From LSJ
ἐγώ εἰμι τὸ ἄλφα καὶ τὸ ὦ, ὁ πρῶτος καὶ ὁ ἔσχατος, ἡ ἀρχὴ καὶ τὸ τέλος → I am the Alpha and the Omega, the first and the last, the beginning and the end
English (LSJ)
τά, (οἴγνυμι) festival at the opening of casks of new wine, held at the Anthesteria, Plu.2.655e, 735e:—later πῐθοιγία, ἡ, Eust. 1363.26; πῐθοιγὶς ἠώς, the morning of this festival, Call.Aet.1.1.1; Πῐθοιγιών, ῶνος, ὁ, month in which the festival took place, prob. in IG12(8).645 (Peparethus, -κιών lapis).