πυγαῖος
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
English (LSJ)
α, ον, (πυγή)
A of or on the rump: I τὸ π.,= ἡ πυγή, Hp. Art.57,78, Arist.HA620a15: pl., Archipp.41 (s.v.l.), Sor.1.102, Dsc. Eup.2.56, Hsch., Phot.; τὸ π. ἄκρον, of a bird, Hdt.2.76. II πυγαῖα, τά, in Architecture,= σπεῖρα, base of a column, Hsch. III = κατάπυγος, Suid. IV v. πυγλίον.