1. 防止：forefeet 前端部分 | forefend 防止 | forefinger 食指

2. 防止/防避/防护/保护：forefeel /预感/ | forefend /防止/防避/防护/保护/ | forefinger /指人指/食指/

3. 七彩网·英语单词大全

verb

1. prevent the occurrence of
prevent from happening

e.g. Let's avoid a confrontation
head off a confrontation
avert a strike

Synonym: debarforfendobviatedeflectaverthead offstave offfend offavoidward off