τριττύς
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
ύος, ἡ (written τριτύς in Tim.Lex., Hsch.), Att. acc. pl.
A τριττῦς Arist.Ath.21.3, cf. Harp.:—the number three, Hsch., Phot.:— νικᾶν τριττύν win three victories, Philostr.Gym.33. II sacrifice of three animals, used specially on making solemn oaths,—boar, goat, and ram, Sch.Ar.Pl.820; bull, boar, and ram, Call.Fr.403; bull, goat, and boar, Ister 34; two sheep and an ox, Epich.187 (v. τριττύα). III at Athens, a third of the φυλή, IG12.190.7, 884, al., D.14.23, Aeschin.3.30, Arist.Ath.21.3: in form τριπτύς, IG12(5).594 (Ceos, iv B. C.). 2 third part of the πρυτάνεις, Arist. Ath.44.1.