estop

 
Pronunciation: /ɪˈstɒp/

verb (estops, estopping, estopped)

[with object] (usually be estopped from) Law
  • bar or preclude by estoppel: the company may be estopped from denying either statement

Origin:

late Middle English (in the sense 'stop up, dam, plug'): from Old French estopper 'stop up, impede', from late Latin stuppare, from Latin stuppa 'tow, oakum'. Compare with stop and stuff