estoppel

Etymology
From (found only as, , , etc.), probably from , , , a bung made of oakum (étoupe), from  stuppa ("flax, tow"), from  στύππη (stuppē).

Noun

 * 1)  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.

Translations

 * Chinese:
 * Mandarin: 禁止反言, 不容反悔
 * Finnish: estoppel-periaate, estoppel-este
 * Tagalog: hadlang