amputate
🇺🇸
/ˈæmpjuteɪt/
🇬🇧
/ˈæmpjuteɪt/
to cut off part of the body, like an arm or leg, usually because of injury or disease
The doctor had to amputate his leg to save his life.
医者は彼の命を救うために彼の足を切断しなければならなかった。