A.anniversary, “μηδὲ τᾷ ὑστεραίᾳ μηδ᾽ ἐν ταῖς δεκάταις μηδ᾽ ἐν τοῖς ἐνιαυτοῖς” Michel995 C49 (pl., Delph.): hence πρὸ τῶ ἐ. before the lapse of a year, Leg.Gort.9.29; ἐνιαυτῷ on the expiry of a year, ib.1.35; and so, any long period of time, cycle, period, ἔτος ἦλθε περιπλομένων ἐνιαυτῶν as times rolled on the year came, Od.1.16; “ἐπιπλομένων ἐ.” Hes.Th.493, Sc.87; “χρονίους ἐτῶν παλαιῶν ἐνιαυτούς” Ar.Ra.347; “πόλιν ἐνιαυτόν τινα ἔδοσαν ἐνοικεῖν” Th.3.68; ὁ μέγας ἐ., of a Pythagorean cycle, Eudem. ap. Theo Sm. p.198H.; also of the Metonic Cycle of nineteen years, D.S.12.36; of a period of 600 years, J.AJ1.3.9:—“ἀΐδιος ἐ.” Apollod.3.4.2.
2. = ἔτος, a year, “εἴνατός ἐστι περιτροπέων ἐ.” Il.2.295; “δεκάτους περιτελλομένους ἐ.” 8.404; “Διὸς ἐνιαυτοί” 2.134; μῆνές τε καὶ ἐνιαυτῶν περίοδοι Pl.Ti.47a; “ἐ. ἡμερῶν” LXX Le.25.29; “ἐνιαυτόν” during a year, Od.1.288; αἱ σπονδαὶ ἐνιαυτὸν ἔσονται Indut. ap. Th.4.118; “ἐπεί κε ὠνίαυτος ἐξέλθῃ” IG12(2).1.12 (Mytil., iv B. C.); “τὸν πρῶτον ἐ.” Lys.32.8; ὁπηνίκα . . τοὐνιαυτοῦ at what time in the year, Ar.Fr.569.7; δὶς τοῦ ἐ. twice a year, Pl.Criti.118e; “τοῦ ἐ.” every year, X.Vect.4.23; “ἑκάστου ἐ.” Id.Ath.3.4; but “ἕκαστον τὸν ἐ.” IG2.1055.4: with Preps., “δι᾽ ἐνιαυτοῦ” Antipho Fr.28; δι᾽ ἐ. πέμπτου every five years, Pl.Criti.119d; θητεύσαμεν εἰς ἐ. for a year, Il.21.444; “τελεσφόρον εἰς ἐ.” 19.32; κατ᾽ ἐνιαυτὸν ἄρξαι for a year, Th.1.93; or, every year, Isoc.3.17, Diph.38.5; “καθ᾽ ἕκαστον ἐ.” Id.89; ἐπ᾽ ἐ. for a year, Pl.Lg.945b, etc.; μετὰ τὸν ἐ. at the end of the year, Th.1.138; παρ᾽ ἐνιαυτὸν ἄρχειν in alternate years, D.S.4.65; πρὸ ἐνιαυτοῦ a year before, Plu.2.147e; ἐς τὸν σᾶτες ἐ. for the current year, IG14.256 (Phintias); ἐν τῷ καθ᾽ ἕτος ἐ. in the current year, CIG3641b5 (Lampsacus).
II. name for a Cornucopiae, Callix.2, cf. Ath.11.783c.