/ ˌɪntəˈsiːd; NAmE -tərˈs-/ verb
[ v ] intercede (with sb) (for / on behalf of sb) ( formal ) to speak to sb in order to persuade them to show pity on sb else or to help settle an argument
SYN intervene :
They interceded with the authorities on behalf of the detainees.
► inter·ces·sion / ˌɪntəˈseʃn; NAmE -tərˈs-/ noun [ U ]:
the intercession of a priest
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WORD ORIGIN
late 16th cent.: from French intercéder or Latin intercedere intervene, from inter- between + cedere go.