σαβακάθιον
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)
[κᾰ], τό,= σάβανον, Hsch.
A s.v. κεκρύφαλος, POxy. 2002v.4 (vi A.D.); [σα]βακάτια (pl.) prob. in PCornell 29.2 (prob. ii A.D.): also σαββακάθιον, Phot. s.v. κεκρύφαλον, σᾰβάκᾰνον, Hsch. s.v. κρύφαλον.