δεκάτωσις
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
Spanish (DGE)
-εως, ἡ
1 décima parte Hero Mens.61.13.
2 diezmo ἡ δ. τῷ Κυρίῳ γενικῶς ἐπινενόηται Didym.Trin.1.15.80, cf. Epiph.Const.Haer.16.1.5, Rom.Mel.51.κγʹ.1, 9.