IN QUANTUM LOCUPLETIORES FACTI SUMUS EX DAMNO ALTERIUS

in quantum locupletiores facti sumus ex damno alterius (in kwon-t<<schwa>>m lok-yoo-plee-shee-or-eez fak-tIs[y]oo-m<<schwa>>s eks dam-noh al-teer-ee-<< schwa>>s). [Latin] Roman law. Insofar as we have been enriched to the loss or by the damage of another. • The phrase appeared in reference to the rule by which certain persons were bound in restitution to the extent of their enrichment. See NEGOTIORUM GESTIO.

[Blacks Law 8th]