prerequisite
n. countablen. something that you must have or do before you can move on to the next step. For example, you might need to pass one class before you can take a more difficult one.
n. a requirement that must be satisfied prior to a subsequent event or action. Often used in academic or professional contexts to describe mandatory preliminary conditions.
A basic math course is a prerequisite for this advanced physics class.
The university requires a high level of English proficiency as a prerequisite for admission to the graduate program.
While technical skills are essential, the hiring committee emphasized that a collaborative mindset is a prerequisite for success within their highly integrated research teams.
From pre- + requisite.
Often followed by the preposition 'for' or 'to'.