ποσταῖος
From LSJ
ἐπὶ ξυροῦ γὰρ ἀκμῆς ἔχεται ἡμῖν τὰ πρήγματα → our affairs are balanced on a razor's edge, our affairs are set upon the razor's edge
English (LSJ)
α, ον, (πόστος)
A on which day in the ordinal series? π. ἂν . . ἐκεῖσε ἀφικοίμην; i.e. in how many days? X.Cyr.5.3.28; π. πάρσι; Diog.Cyn. ap. D.L.6.39, cf. Gal.9.861.
German (Pape)
[Seite 688] wie vieltägig? an dem wie vielten Tage? ποσταῖος ἂν ἐκεῖσε ἀφικοίμην Xen. Cyr. 5, 3, 28, u. Sp.