- negatory (adj.)
[negatory 词源字典]
- "expressing negation," 1570s, from Middle French negatoire or directly from Medieval Latin negatorius "negative," from Latin negatus, past participle of negare "deny, say no, to refuse" (see deny). In the sense "no" it is U.S. Air Force slang from the early 1950s.[negatory etymology, negatory origin, 英语词源]