primacy (noun) – the state or condition of being first or above all others in place or rank; superiority; excellence
BREAKDOWN: PRIM- (first or foremost) + -ACY (state of being)
— primacy also describes the office of a primate, which is the chief ecclesiastical station or dignity in a national church
This word is built on the root PRIM-, which means first, chief, or foremost.
Common PRIM- words include primary, primarily, primate, prime, and primitive.
More esoteric PRIM- words include primatology, primigenial, and primiparous.