primacy

Short definition from Wiktionary

Noun

1. 1
   The state or condition of being prime or first, as in time, place, rank, etc.
2. 2
   Excellence; supremacy.
3. 3
   The office, rank, or character of a primate, it being the chief ecclesiastical station or dignity in a national church.
4. 4
   The office or dignity of an archbishop.