### Core Meaning & Semantic Range
The Greek word **katanýssō**, represented by `{{G2660}}`, means **to pierce thoroughly**. It is used figuratively to describe being agitated violently or "stung to the quick." The word appears only **1 time** in **1 unique verse** in the entire Bible, where it is translated as **prick**.
### Biblical Occurrences & Contextual Analysis
The sole use of `{{G2660}}` is found in the narrative of Acts. After hearing the apostles speak, a crowd was "pricked in their heart" [[Acts 2:37]]. This intense internal reaction was not a passive event; it immediately compelled them to ask what they should do in response. The word captures a moment of profound conviction, a spiritual and emotional piercing that directly leads to a quest for action.
### Related Words & Concepts
Several related words from its only biblical context help clarify the meaning of `{{G2660}}`:
* `{{G191}}` **akoúō**: a primary verb; to hear. The "pricking" of the heart described by `{{G2660}}` is the direct result of what the people first heard [[Acts 2:37]]. Hearing precedes the internal conviction.
* `{{G2588}}` **kardía**: the heart, i.e. (figuratively) the thoughts or feelings (mind). This word specifies the target of the "piercing." The conviction was not superficial but took place in the very center of their thoughts and feelings.
* `{{G2036}}` **épō**: a primary verb; to speak or say. This is the outcome of the experience. Being pricked in their heart caused the people to speak and ask what action they needed to take [[Acts 2:37]].
### Theological Significance
The theological weight of `{{G2660}}` is concentrated in its single, powerful application.
* **Conviction through Hearing:** The term illustrates the biblical principle that hearing the word can produce a sharp, internal conviction. The action described by `{{G2660}}` is the bridge between hearing a message and seeking a response.
* **A Pierced Heart:** The figurative use of "piercing" the heart `{{G2588}}` shows that true spiritual awakening is a deeply felt event. It is an agitation of the mind and feelings that disrupts complacency and demands a change.
* **The Catalyst for Action:** The feeling of being "pricked" is not an end in itself. In its biblical context, it serves as the necessary catalyst that moves individuals from being passive listeners to active seekers of direction, as shown by their question, "what shall we do?" [[Acts 2:37]].
### Summary
In summary, while **katanýssō** `{{G2660}}` is rare, its single appearance provides a vivid and crucial depiction of spiritual conviction. It describes an experience that is more than just hearing `{{G191}}`; it is a thorough piercing of the heart `{{G2588}}` that stings the conscience and provokes an immediate, spoken `{{G2036}}` desire for guidance. The word powerfully captures the moment of transformation when a message moves from being an external sound to an internal, life-altering reality.
TRV