τρῐάκοντα · triakonta — LSJ
thirty, thirty-one
thirty, Il. 2.516, IG 1(2).1.9, etc.; τ. καὶ ἕνα thirty-one, ib. 4(2)(1).71.9 (Epid., iii B. C.).
II
οἱ τ., esp.,
1 a council of war of thirty
at Sparta, a council of war of thirty, X. Ages. 1.7, HG 3.4.2, 20, 4.1.5, al.
2 the Thirty, the thirty tyrants
at Athens, the Thirty, commonly called the thirty tyrants, appointed on the taking of Athens (404 B.C.), ib. 2.3.2, IG 2(2).6.12, Pl. Ap. 32c, Arist. Rh. 1400a18.
3
certain magistrates, v. τεσσαράκοντα; οἱ λογισταὶ οἱ τ. (IG 1(2).91.8) are sts. called simply οἱ τ., IG 1(2).191.1, 193.1. [In late Epigr. ᾰκ, AP 11.298, etc.]