casus foederis

noun
casus foe·​de·​ris | \ -ˈfȯidərə̇s -ˈfed-, -ˈfēd-\
plural casus foederis\ " \

Definition of casus foederis

: a case or event covered by the provisions or stipulations of a treaty or compact the casus foederis had arisen. When Italy attacked Ethiopia … no one could doubt … that … it had been in breach of the clearest obligations of the Covenant— Robert Cecil †1958

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History and Etymology for casus foederis

New Latin, case of the treaty

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