τρῐέτ-ης, ες,
or τριετής, ές, (ἔτος) of or for three years, τριέτεα χρόνον [[ 5th c.BC: Herodotus Historicus 1.199; τ. φορά “IG” 42(1).121.9 (Epid., 4th c.BC)] Refs 5th c.BC+]; πλέον ἢ τ. ἐγένευ φίλος [[ 3rd c.BC: Theocritus Poeta Bucolicus 29.17, compare “BCH” 48.518 (from Palestine)] Refs 3rd c.BC+]; τ. προθεσμία [[ 5th-6th c.BC: Plato Philosophus “Leges” 954d (in 793d τρι᾽ ἔτη is restored by Bekker): τρίετες] Refs 5th c.BC+] as adverb, for three years, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 2.106, 13.377. ] Refs 8th c.BC+]
__2 three years old, ἵππος [[ 4th c.BC: Aristoteles Philosophus “Historia Animalium” 545b13; παιδίον 2nd c.AD: Artemidorus Daldianus Onirocriticus 4.39: τρίετες, τό, ] Refs 4th c.BC+] the age of three years, ἀπὸ τριέτους μέχρι τῶν ἓξ ἐτῶν [[ 5th-6th c.BC: Plato Philosophus “Leges” 794a, compare 4th c.BC: Aristoteles Philosophus “Historia Animalium” 545b3 ] Refs 5th c.BC+]:—feminine τρῐετ-έτις, [[ “Supp.epigram” 6.125 (from Cotiaeum). ] Refs]
__II recurring every three years, κῶμος [[ 5th-6th c.AD: Orphica “Hymni” 53.5. ] Refs 5th c.AD+]