premier (n.) Look up premier at Dictionary.com
1711 in the political sense, a shortening of premier minister (1680s); see premier (adj.). In U.S. usage, premier formerly was applied occasionally to the Secretary of State (1855-c. 1900).
premier (adj.) Look up premier at Dictionary.com
mid-15c., "first in time;" late 15c. as "first in rank," from Middle French premier "first, chief," from Latin primarius "of the first rank, chief, principal, excellent," from primus "first" (see prime (adj.)).