prerequisite
UK[ˌpriːˈrekwəzɪt]US[priˈrekwəzɪt]
n
A thing that is required as a prior condition for something else to happen or exist.
adj
Required as a prior condition.
Morpheme Breakdown
pre
requisite
pre
before
requisite
required
Etymology
The word "prerequisite" is a logical compound formed from two clear Latin-derived elements. The prefix "pre-", meaning "before", is attached to the adjective "requisite", which stems from the Latin verb requirere (to seek, ask for, or require). Literally, it means "required beforehand". This construction entered English in the 17th century, perfectly capturing the concept of a condition that must be satisfied in advance of proceeding to a subsequent action or stage. The semantic logic is direct and transparent: something that is a requisite (a necessary thing) that comes pre- (before) something else.
Analysis
Structure: pre (before) + requisite (required)
pre: Latin origin, meaning "before". A prefix indicating priority in time, order, or importance.
requisite: From Latin requisitus, the past participle of requirere (to require). It functions as the core root meaning "required" or "necessary".
Examples
A good pass in the preliminary exam is a prerequisite for entry to the course.
The completion of the introductory module is a prerequisite for all advanced classes.
They had the prerequisite skills and experience for the job.