estop

Etymology

Anglo-Norman and Old French estoper, from a Late Latin verb, from Classical Latin stuppa (“oakum”).

verb

1. To impede or bar by estoppel.
   ...we twitted them, while we were together in the sun of the Continent, about English heating habits. Having done that, we are now estopped from bringing the matter up. November 23 1957, William F. Buckley Jr., National Review
   2020: "Nancy Pelosi Should Take All the Time She Needs to Submit Articles of Impeachment" by Philip Bobbitt, Slate.com Finally, new evidence—emails surrounding the decision to withhold appropriated military assistance from Ukraine—has come out since the vote. Is anyone suggesting that the House managers be estopped from presenting this evidence?
2. To stop up, to plug