σφήν
From LSJ
Μιμοῦ τὰ σεμνά, μὴ κακῶν μιμοῦ τρόπους → Graves imitatormores, ne imitator malos → Das Edle nimm zum Vorbild, nicht der Schlechten Art
English (LSJ)
σφηνός, ὁ,
A wedge, Ar.Ra.801, A.R.1.1204, Arist.Mech.853a19, PCair.Zen.759.2 (iii B.C.), etc.; used as an instrument of torture, A.Pr.64, Plu.2.498d, LXX 4 Ma.8.13, al. [σφην- prob. from σφᾱν-, cf. σφάνιον and v. sub σφηνόπους.]