Get an English Tutor
English word prerequisite comes from English pre-, English requisite
pre- (English)
Before; used to form words meaning "before (in time)".. Before; used to form words meaning "in front of (in space)"; (anatomy) anterior.
requisite (English)
An indispensable item; a requirement. Essential, required, indispensable.
prerequisite (English)
Required as a prior condition of something else; necessary or indispensable. 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.. Something that must be gained in order to gain something else.