prerequisite

باللغة العربية: شَرْط، اِحْتِيَاج، وُجُوب

1. Something that is required as necessary or indispensable, or as a prior condition of something else. · A degree is a prerequisite for entry into this profession.
2. A course or topic that must be completed before another course or topic can be started. · Algebra is typically a prerequisite for physics.

الجمع prerequisites