estoppel
English
Etymology
From (deprecated template usage) [etyl] Old French estoupail or estopail, a bung made of oakum (étoupe), from (deprecated template usage) [etyl] Latin stuppa ("flax, tow"), from (deprecated template usage) [etyl] Ancient Greek στύππη (stuppē).
Noun
estoppel (countable and uncountable, plural estoppels)
- (common law) A legal principle in the law of equity that prevents a party from asserting otherwise valid legal rights against another party because of conduct by the first party, or circumstances to which the first party has knowingly contributed, make it unjust for those rights to be asserted.