estoppel

== English == === Etymology === From Middle English *estoppel (found only as stoppel, stoppell, stopple, etc.), probably from Old French estoupail, estopail, estopaille, a bung made of oakum (étoupe), from Latin stuppa ("flax, tow"), from 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, making it unjust for those rights to be asserted. ==== Derived terms ==== assignor estoppel collateral estoppel estoppel by deed partner by estoppel proprietary estoppel prosecution history estoppel ==== Related terms ==== estop ==== Translations ==== == French == === Pronunciation === IPA(key): /ɛs.tɔ.pɛl/ === Noun === estoppel m (plural estoppels) estoppel