τρῐάκοντα [ᾱκ],
Epic dialect and Ionic dialect τρῐήκ-, late Gr. τρῐάντα (which see), οἱ, αἱ, τά, indeclinable; but genitive τριηκόντων [[ 8th-7th c.BC: Hesiodus Epicus “Opera et Dies” 696, ] Refs 8th c.BC+] also in later Epic dialect, [[ 3rd c.BC: Callimachus Epicus “Fragmenta” 67; _dative_ τριηκόντεσσιν “Anthologia Graeca” 11.41 (1st c.BC: Philodemus Gadarensis Epigrammaticus)] Refs 3rd c.BC+]:—thirty, [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 2.516, “IG” 12.1.9, etc.] Refs 8th c.BC+]; τ. καὶ ἕνα thirty-one, [[[prev. work]42(1).71.9 (Epid., 3rd c.BC). ] Refs 3rd c.BC+]
__II οἱ τ., especially,
__II.1 at Sparta, a council of war of thirty, [[ 5th-6th c.BC: Xenophon Historicus “Agesilaus” 1.7, “HG” 3.4.2, 20, 4.1.5, +others ] Refs 5th c.BC+]
__II.2 at Athens, the Thirty, commonly called the thirty tyrants, appointed on the taking of Athens [[(5th c.BC), [prev. work] 2.3.2, “IG” 22.6.12, 5th-6th c.BC: Plato Philosophus “Apologia” 32c, 4th c.BC: Aristoteles Philosophus “Rhetorica” 1400a18. ] Refs 5th c.BC+]
__II.3 certain magistrates, see at {τεσσαράκοντ; οἱ λογισταὶ οἱ τ}. [[(“IG” 12.91.8) are sometimes called simply οἱ τ., “IG” 12.191.1, 193.1] Refs]. [In late epigram ᾰκ, [[“Anthologia Graeca” 11.298, etc.] ] Refs]