### Core Meaning & Semantic Range
The Greek word **pélagos**, represented by `{{G3989}}`, refers to the **deep or open sea**. It appears **2 times** in **2 unique verses** in the Bible. While infrequent, its usage points to the main or deepest part of the sea, distinguishing it from a more general term for the sea.
### Biblical Occurrences & Contextual Analysis
In its biblical occurrences, `{{G3989}}` is used both literally and figuratively. In the book of Acts, it is used geographically to describe sailing across the open **sea** of Cilicia and Pamphylia [[Acts 27:5]]. In Matthew, it takes on a more metaphorical weight, describing the **depth** of the sea as the place where one would be drowned with a millstone hanged about his neck—a severe consequence for causing a believer to offend [[Matthew 18:6]].
### Related Words & Concepts
Several related words clarify the context in which `{{G3989}}` is used:
* `{{G2281}}` **thálassa**: A general term for **the sea**. In the warning in Matthew, `pélagos` is used to specify the "depth" of the `thálassa`, emphasizing a place of no escape [[Matthew 18:6]].
* `{{G2670}}` **katapontízō**: This word means **to plunge down, i.e. submerge**. It describes the action of being "drowned" or made to sink into the `pélagos` [[Matthew 18:6]].
* `{{G4624}}` **skandalízō**: Meaning **to entrap, i.e. trip up**, this is the verb for the offense that merits the punishment of being drowned in the `pélagos` [[Matthew 18:6]].
### Theological Significance
The theological significance of `{{G3989}}` is concentrated in its use in the Gospel of Matthew. It serves to illustrate the gravity of sin against God's faithful people.
* **Severity of Judgment:** The image of being drowned in the **depth** of the sea is a powerful illustration of the severe judgment reserved for those who cause one of the "little ones" to stumble in their faith [[Matthew 18:6]].
* **Irrevocable Consequence:** Unlike a general reference to water, the **deep or open sea** implies a finality and an inescapable fate. The punishment is portrayed as absolute.
* **Divine Protection:** The use of such a stark image underscores the high value God places on His followers and serves as a solemn warning about the consequences of harming them.
### Summary
In summary, `{{G3989}}` is a precise term for the **deep or open sea**. Though it appears only twice, its use in Matthew's Gospel gives it significant theological weight, representing a place of final and severe judgment. Its other use in Acts provides a straightforward geographical description, showing its dual utility in describing both a physical location and a powerful, figurative concept.