### Core Meaning & Semantic Range
The Greek word **katháptō**, represented by `{{G2510}}`, is a specific verb meaning **to seize upon** or **fasten on**. It appears only **1 time** in **1 unique verse** in the Bible, making its usage rare but impactful. The term describes a sudden, aggressive attachment, deriving from the words κατά and ἅπτομαι.
### Biblical Occurrences & Contextual Analysis
The sole biblical use of `{{G2510}}` occurs in a dramatic narrative involving the apostle **Paul** `{{G3972}}`. After gathering a **bundle** `{{G4128}}` of **sticks** `{{G5434}}` and placing them on a **fire** `{{G4443}}`, a **viper** `{{G2191}}` emerges **out of** `{{G1537}}` the **heat** `{{G2329}}` and **fastened on** his **hand** `{{G5495}}` [[Acts 28:3]]. This single instance captures a moment of sudden peril and attack.
### Related Words & Concepts
Several words within the context of [[Acts 28:3]] illuminate the action of `{{G2510}}`:
* `{{G2191}}` **échidna** (an adder or other poisonous snake): This is the creature that performs the action of fastening on. The term is also used figuratively to condemn a "generation of **vipers**" [[Matthew 3:7]].
* `{{G1831}}` **exérchomai** (to issue (literally or figuratively)): This word describes the viper's emergence just before the attack, as it "there **came** a viper **out of** the heat." It signifies an origin or proceeding forth, as when evil thoughts **proceed** from the heart [[Matthew 15:19]].
* `{{G5495}}` **cheír** (the hand): This is the object of the attack. While it literally refers to Paul's **hand**, the word is often used figuratively for power and divine protection, as in the promise that no one can pluck believers out of God's **hand** [[John 10:28]].
### Theological Significance
While rare, the event described by `{{G2510}}` carries significant theological weight, serving as a real-world illustration of spiritual principles.
* **Supernatural Protection:** The act of the viper that **fastened on** Paul's hand sets the stage to demonstrate God's divine protection. It is a literal fulfillment of the promise that believers would "take up serpents" without being hurt [[Mark 16:18]].
* **Hostility and Attack:** The **viper** `{{G2191}}` is often a symbol of evil, as when addressing the "generation of **vipers**" [[Matthew 23:33]]. The viper's sudden attack from the **fire** `{{G4443}}` reflects the dangers and opposition faced by believers.
* **Divine Testimony:** The attack described by `{{G2510}}` becomes a powerful testimony. The viper **fastened on** Paul's **hand** `{{G5495}}`, an instrument often associated with ministry, such as when Ananias laid his **hands** on Paul to restore his sight [[Acts 9:17]].
### Summary
In summary, `{{G2510}}` is a precise verb whose importance comes not from frequent use, but from its role in a single, vivid biblical account. It captures the critical moment of a hostile attack, setting the stage for a demonstration of God's power and faithfulness. The word illustrates how a singular action can serve as a powerful testament to the spiritual protection promised to God's servants.
TRV