peremptyoudaoicibaDictYouDict[perempt 词源字典]
"To do away with or quash (a thing, especially a legal process or suit)", Early 18th cent.; earliest use found in John Ayliffe (1676–1732), lawyer and author. From classical Latin perēmpt-, past participial stem of perimere to destroy, kill, cancel out, annul from per- + emere to buy, purchase, originally to take. Compare peremption.[perempt etymology, perempt origin, 英语词源]