[with obj.](archaic)put poison on or into; make poisonous (古)加毒于;使有毒 ■(figurative)infuse with hostility or bitterness (喻)使怀敌意 tribal rivalries envenom the bitter civil war. 部落间的对抗使这场残酷的内战充满仇恨。
语源
Middle English (formerly also as invenom): from Old French envenimer, from en- 'in' + venim 'venom'