prerequisite
/pɹiˈɹɛkwəzət/
something required as a prior condition
prerequisite in a sentence
“Understanding algebra is a prerequisite for calculus.”
Origin of prerequisite
Latin prae before + requisitus required (from requirere to seek)
Related Words
contingent
dependent on something else; conditional
conditional
subject to one or more conditions being met
proviso
a condition attached to an agreement
caveat
a warning or qualification; a condition
qualification
a condition that must be met; a modification
criterion
a principle or standard by which something is judged