envenom
/ɪnˈvenəm/verb
with obj.
1- archaic put poison on or into; make poisonous〈古〉加毒于; 使有毒。
1.1
- figurative infuse with hostility or bitterness〈喻〉使怀敌意; 使怀恨：
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。
词源
Middle English （formerly also as invenom ）： from Old French envenimer, from en- 'in' + venim 'venom'.