Enter a clue or pattern or both:
The Clue
Required beforehand (12 letter answer)
The Answer
PREREQUISITE
Tags
Notes
The answer PREREQUISITE is so rare that it appears less than once every 2500 puzzles.
Definition
PREREQUISITE as a noun:
1. (prerequisite, requirement) = something that is required in advance; "Latin was a prerequisite for admission"
PREREQUISITE as an adjective:
1. required as a prior condition or course of study