κόπις
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)
(A), ιδος, ὁ,
A prater, liar, wrangler, E.Hec.132 (anap.), Lyc. 763, 1464; κοπίδων ἀρχηγός Heraclit.81, cf. Pythag. ap. Sch.E.Hec. 134. (Prob. from κόπτω.)
German (Pape)
[Seite 1483] ὁ, der Zungendrescher (κόπτω), Schwätzer, Windbeutel, ποικιλόφρων, heißt Odysseus, Eur. Hec. 131 u. sp. D., wie Lycophr. 763. 1464.