### Core Meaning & Semantic Range
The Greek word **trietía**, represented by `{{G5148}}`, defines **a three years' period (triennium)**. Derived from a compound of words meaning "three" and "year," it is a specific term for a set duration. It appears only **1 time** in the Bible, in a single verse, giving it a very focused and significant application.
### Biblical Occurrences & Contextual Analysis
The sole use of `{{G5148}}` is found in Paul's farewell address to the elders of the church at Ephesus. He uses the term to quantify the length of his tireless ministry among them, stating he "ceased not to warn every one night and day with tears" for the **space of three years** [[Acts 20:31]]. This usage emphasizes the prolonged and persistent nature of his pastoral care and instruction, establishing a benchmark of his dedication.
### Related Words & Concepts
Several words from its single biblical context illuminate the nature of this three-year period:
* `{{G3560}}` **nouthetéō** (to put in mind, i.e. (by implication) to caution or reprove gently:--admonish, warn): This describes the specific action Paul took during the three years. He consistently worked to present believers as perfect in Christ by **warning** every man [[Colossians 1:28]].
* `{{G1144}}` **dákry** (a tear:--tear): This word reveals the emotional weight of Paul's ministry. His warning was not detached but delivered with deep feeling, as he served the Lord with many **tears** [[Acts 20:19]].
* `{{G3973}}` **paúō** (to stop (transitively or intransitively), i.e. restrain, quit, desist, come to an end:--cease, leave, refrain): This highlights the continuous nature of Paul's work. His ministry was unceasing, just as the apostles in Jerusalem **ceased** not to teach and preach Jesus Christ [[Acts 5:42]].
### Theological Significance
The theological weight of `{{G5148}}` is tied directly to its context in demonstrating ministerial faithfulness.
* **Sustained Diligence:** The three-year timeframe establishes a model of endurance. It underscores that effective ministry is not a momentary event but a long-term, unceasing commitment to teaching and warning [[Acts 20:31]].
* **Pastoral Investment:** The mention of this period is linked with the command for the elders to "watch" and "remember" [[Acts 20:31]]. Paul's three years of service serve as the example of the vigilance required to shepherd God's flock.
* **A Labor of Love:** The period was characterized by warning "with tears" [[Acts 20:31]], showing that this long labor was driven by profound love and emotional concern for the spiritual well-being of the believers, not mere obligation.
### Summary
In summary, while `{{G5148}}` is a rare word, its singular appearance offers a powerful statement. It transforms a simple measure of time—**a three years' period**—into a profound symbol of pastoral endurance, emotional investment, and unwavering faithfulness. It captures the essence of a dedicated ministry that serves as a timeless model for church leadership.