τηνικάδε
From LSJ
Βέβαιον οὐδέν ἐστιν ἐν θνητῷ βίῳ → Nihil, ut videtur, proprium in vita datur → Nichts Festes gibt's im Leben eines Sterblichen
English (LSJ)
Adv. = foreg., answering to a Relat.,
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.NA1.36, 4.27.