- pre-emptive (adj.)
[pre-emptive 词源字典]
- also preemptive, 1806, "pertaining to preemption;" from pre-emption + -ive. Specifically of an attack on an enemy who is plotting his own attack, 1958, a term from the Cold War. Related: Pre-emptively; preemptively.[pre-emptive etymology, pre-emptive origin, 英语词源]