τρία, τά: gen. τριῶν: dat. τρισί, also τριοῖσιHippon. 51, and τρίεσσιDelph.3(5).80.21(iv B. C.); Aeol. τρίσσιInscr.Perg. 245B18 (Pitana): acc. τρεῖσ (written τρεσIG12.24.16, 44.15, 188.37, 1085, al.), τρία: Dor. nom. τρέεσLeg.Gort.9.48; τρῆσIG12(3).1640 (Thera); τρῖσSIG236A10 (Delph., iv B. C.), Tab.Heracl.1.23; acc. τρίινσLeg.Gort.5.54, al. (for τρίνς, lengthd. to correspond with the other cases); τρῖσIG12.838,839 (vi B. C.), SIG239 D ii 28 (Delph., iv B. C.), Berl.Sitzb.1927.158 (Cyrene):—
three,
Il.15.187, etc.; τρία ἔπεα
three
words, prov. in Pi.N.7.48,— for from the earliest times
three
was a sacred and lucky number, esp. with the Pythagoreans (cf. τριάσ), Arist.Cael.268a11; so τῶν τριῶν μίαν λαβεῖν εὔσοιανS.Fr.122; εἰ καὶ τῶν τριῶν ἓν οἴσομαι ib.908; cf. σωτήρ 1.2:— διὰ τριῶν ἀπόλλυμαι I am