PREREQUISITE
prerequisite
(adjective) required as a prior condition or course of study
prerequisite, requirement
(noun) something that is required in advance; “Latin was a prerequisite for admission”
Source: WordNet® 3.1
Etymology
Adjective
prerequisite (not comparable)
Required as a prior condition of something else; necessary or indispensable.
Synonyms
• See also requisite
Noun
prerequisite (plural prerequisites)
Something that must be gained in order to gain something else
In education, a course or topic that must be completed before another course or topic can be started. May be colloquially referred to as a prereq.
Hypernyms
• requisite
Source: Wiktionary
Pre*req"ui*site, a.
Definition: Previously required; necessary as a preliminary to any proposed
effect or end; as, prerequisite conditions of success.
Pre*req"ui*site, n.
Definition: Something previously required, or necessary to an end or effect
proposed.
The necessary prerequisites of freedom. Goldsmith.
Source: Webster’s Unabridged Dictionary 1913 Edition