hamstring

 
Pronunciation: /ˈhamstrɪŋ/

noun

  • any of five tendons at the back of a person’s knee: he pulled a hamstring
  • the great tendon at the back of a quadruped’s hock.

verb (past and past participle hamstrung)

[with object]
  • cripple (a person or animal) by cutting their hamstrings.
  • severely restrict the efficiency or effectiveness of: we were hamstrung by a total lack of knowledge

Origin:

16th century: from ham1 + string