ὄψιος · opsios — LSJ
late, ὀψίᾳ ἐν νυκτί Pi. I. 4(3).35(53); ὅταν ἔαρ ὄ. γένηται Arist. HA 553b20, cf. 627b20; ὄ. σῦκα, πυροί, etc., Thphr. HP 2.8.1, 8.4.3, etc.; [ᾠὰ] τὰ μὲν πρώϊα τὰ δʼ ὄ. Arist. HA 543a10; cf. ὀψία.
Att. Comp. ὀψιαίτερος, α, ον, later, Id. Mete. 362a24, al., Thphr. CP 1.10.5: Sup. ὀψιαίτατος, η, ον, X. HG 5.4.3: hence ὀψιαίτερον as Adv., Comp. of ὀψέ, Pl. Cra. 433a, Thphr. HP 3.2.1, Eub. 119.11: Sup. ὀψιαίτατα, opp. πρωϊαίτατα, Pl. Prt. 326c, X. HG 4.5.18, etc.: also Comp. ὀψιέστερος as v.l. in Thphr. (CP 4.8.3, HP 3.4.6): also shortd. form ὀψιτέρα, ἅλωσις Pi. Pae. 6.82; ὀψίτερον Plu. Cons.Apoll. 2.119c; ὀψίτατον Poll. 1.69; ὀψίτερον τῆς ὥρας BGU 759.6 (ii A. D.), cf. PTeb. 230 (ii B. C.).