Quick Definition
τριετία, ας, ἡ n.f. a space of three years
Strong's Definition
from a compound of 5140 and 2094; a three years' period (triennium)
KJV Usage: space of three years
UBS Dictionary of the Greek New Testament
noun, f. | -ας | τρεῖς + ἔτος
67.171 · Time · Definite Units of Time: Year, Month, Week, Day, Hour
a three-year period, for three years a period of three successive years
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
τριετία, -as, ἡ, (τρεῖς and ἔτος), a space of three years: Acts xx. 81. (Theophr., Plut., Artem. oneir. 4, 1; al.)
Mounce Concise Greek Dictionary
τριετία trietia 1x
the space of three years, Acts 20:31*
Abbott-Smith Greek Lexicon
* τριετία, -ας, ἡ
(< τρεῖς, ἔτος),
a period of three years: Ac 20:31.†
Moulton & Milligan — Vocabulary of the Greek NT
τριετία, “ἐᾷ period of three years” (Ac 20%): P Giss I. 58 it 17 (A.D. 116) πληροῦντες τίὸ]ν τριετίας [χρόν]ον, P Tebt II.
Liddell-Scott-Jones — Greek-English Lexicon
τριετία (trietia) — three years. τρῐετ-ία, ἡ, period of three years, [Refs 4th c.BC+]; ἐς τ. [Refs 2nd c.AD+]