5148. trietia
Lexical Summary
trietia: Three years

Original Word: τριετία
Part of Speech: Noun, Feminine
Transliteration: trietia
Pronunciation: tree-et-EE-ah
Phonetic Spelling: (tree-et-ee'-ah)
KJV: space of three years
NASB: period of three years, three years
Word Origin: [from a compound of G5140 (τρεῖς - three) and G2094 (ἔτος - years)]

1. a three years' period (triennium)

Strong's Exhaustive Concordance
three years.

From a compound of treis and etos; a three years' period (triennium) -- space of three years.

see GREEK treis

see GREEK etos

NAS Exhaustive Concordance
Word Origin
from treis and etos
Definition
a period of three years
NASB Translation
period of three years (1), three years (1).

Thayer's Greek Lexicon
STRONGS NT 5148: τριετία

τριετία, τριετιας, (τρεῖς and ἔτος), a space of three years: Acts 20:31. (Theophrastus, Plutarch, Artemidorus Daldianus, oneir. 4, 1; others.)

Topical Lexicon
Term Overview

A single New Testament occurrence highlights a defined span of three full years, stressing duration, perseverance, and pastoral vigilance rather than a mere chronological note.

Context in Acts

Acts 20:31 captures Paul’s farewell to the Ephesian elders: “Therefore be alert and remember that for three years I never stopped warning each of you night and day with tears”. The term underscores the sustained, sacrificial nature of Paul’s Ephesian ministry—unceasing admonition, personal engagement, and emotional investment.

Ministry Patterns Reflected

1. Consistent Teaching. Paul’s three-year stay models systematic instruction, echoing “line upon line” formation (compare Isaiah 28:10).
2. Shepherding Vigilance. The length illustrates a shepherd’s need to guard the flock long enough for discernment to develop against “savage wolves” (Acts 20:29).
3. Relational Depth. Day-and-night availability fostered deep bonds, creating a community able to withstand future trials (Ephesians 6:10-18).

Historical Insights

Ephesus, a strategic port city, faced spiritual warfare rooted in magic arts (Acts 19:19). Three years allowed the gospel to penetrate cultural strongholds, produce public repentance, and spread regionally (Acts 19:10). Luke’s precision about time signals an eyewitness chronology, corroborated by archaeological and literary data that place Paul in Asia Minor circa AD 52-55.

Old Testament Echoes of Three-Year Periods

• Trial and Famine: 2 Samuel 21:1—divine discipline over three years cultivated national humility.
• Prophetic Preparation: Isaiah walked “naked and barefoot three years” as a sign (Isaiah 20:3).
• Agricultural Maturity: Fruit trees were considered uncircumcised for the first three years (Leviticus 19:23).

These patterns frame three years as a biblically significant interval for testing, maturation, and prophetic witness, enriching Paul’s usage.

Theological Emphasis

Perseverance in ministry mirrors Christ’s approximate three-year earthly mission, culminating in sacrificial love (John 13:1). Paul’s example aligns shepherds with the Chief Shepherd (1 Peter 5:4), calling for sustained oversight until believers reach “unity in the faith” (Ephesians 4:13).

Practical Application for Today

• Churches: Prioritize multi-year discipleship tracks rather than sporadic programming.
• Leaders: Embrace tears and toil as marks of authentic care, resisting burnout through grace (2 Corinthians 12:9).
• Believers: Measure growth in seasons, not moments, trusting God to use extended periods for sanctification (Philippians 1:6).

Summary

Strong’s 5148, though appearing once, captures a critical principle: meaningful ministry demands time-saturated commitment. The three-year span in Acts validates deliberate, persistent shepherding that forms resilient disciples and honors the redemptive timeline reflected throughout Scripture.

Forms and Transliterations
τριετιαν τριετίαν τριετίζοντα τριετίζοντι τριετίζουσαν trietian trietían
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Acts 20:31 N-AFS
GRK: μνημονεύοντες ὅτι τριετίαν νύκτα καὶ
NAS: and day for a period of three years I did not cease
KJV: that by the space of three years I ceased
INT: remembering that three years night and

Strong's Greek 5148
1 Occurrence


τριετίαν — 1 Occ.

5147
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