τηνικάδε

Adv.
A. at this time, then, ἐπεὶ . . , τ. . . Plb. 16.11.6; ἐπειδὴ . . , τὸ τ. Id. 16.30.7, cf. Ph. Bel. 66.13, 74.38; also after ὁρῶν = ἐπεὶ ἑώρα, Plb. 10.28.5.
2. abs., at this time of day, so early, τοῦ ἕνεκα τ. ἀφίκου; Pl. Cri. 43a, cf. Prt. 310b; αὔριον τ. to-morrow at this time, Id. Phd. 76b: c. gen., τ. τῆς ὥρας, τοῦ καιροῦ, at this season of the year, Ael. NA 1.36, 4.27.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project