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
-ε͂ρος, ὁjuez, árbitro en los juegos olímpicos SEG 42.375, 376 (ambas Olimpia VI a.C.).