brevet (n.)youdaoicibaDictYouDict[brevet 词源字典]
mid-14c., from Old French brievet "letter, note, piece of paper; papal indulgence" (13c.), diminutive of bref "letter, note" (see brief (adj.)). Army sense is from 1680s.[brevet etymology, brevet origin, 英语词源]
brevet (v.)youdaoicibaDictYouDict
1839, from French breveter, from brevet (see brevet (n.)). Related: Breveted; breveting.