prison
UK[ˈprɪzn̩]US[ˈprɪzn̩]
n
A building where people are kept as a punishment for a crime they have committed, or while they are waiting for trial.
n
The system of keeping people in such a building.
Morpheme Breakdown
pris
on
pris
take, seize
on
noun suffix
Etymology
The word "prison" entered English in the late Old English period from Old French prisun, which itself derived from Latin prehensionem, meaning "a taking, arrest, capture." The Latin root is prehendere, "to seize." The core logic is direct: a prison is fundamentally a place for those who have been "seized" or captured. This etymological journey from the concrete act of seizing to the institution of confinement illustrates a common pattern where an abstract noun develops from a verb of action. The modern meaning has expanded from the specific act of capture to encompass the entire system and physical location of long-term detention.
Analysis
Structure: pris (take, seize) + on (noun suffix)
pris: From Latin prehendere (to seize, grasp), via Old French pris- (taken). Functional role: root, conveying the core meaning of capture.
on: From Latin -ionem (accusative of -io), a suffix forming nouns of action or state. Functional role: derivational suffix, turning a verb into a noun denoting the result or place of the action.
Examples
He was sentenced to five years in prison.
The old prison was closed and converted into apartments.
She has dedicated her life to prison reform.