extirpate
From Longman Dictionary of Contemporary Englishextirpateex‧tir‧pate /ˈekstɜːpeɪt $ -ɜːr-/ verb [transitive] formalDESTROY to completely destroy something that is unpleasant or unwanted→ See Verb tableExamples from the Corpusextirpate• Nor did it ever completely disappear, despite repeated attempts to extirpate it.Origin extirpate (1500-1600) Latin exstirpatus, past participle of exstirpare, from stirps “root”