primacy
noun /ˈpraɪməsi/
  /ˈpraɪməsi/
(plural primacies)
 (formal)- [uncountable] the fact of being the most important person or thing
- a belief in the primacy of the family
 - This college emphasizes the primacy of teaching over research.
 - This approach gives primacy to facts.
 
 - [countable] the position of an archbishopTopics Religion and festivalsc2
 
Word Originlate Middle English: from Old French primatie, from medieval Latin primatia, from Latin primas, primat- ‘of the first rank’, from primus ‘first’.