corequisite

Etymology

From co- + requisite.

corequisite means A course that must be or can be taken concurrently with a given course. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A course that must be or can be taken concurrently with a given course.
Any of a set of things that require each other.“These three fix releases are corequisites of each other and must be applied together for all the fixes to work.”