σίγμα
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
or σῖγμα, the letter
A sigma, v. Σς. II a <*> shaped portico, Princeton Exp.Inscr. III A No.560 (v A.D.), JHS28.195 (Aspendus, written σῖμμα). 2 Lat. sigma, crescent-shaped dining-table, Mart. 10.48.6, etc.
