estop
verb
[ ɪˈstɒp ]
• 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.
