fidepromissor

/ˌfaɪdiːpɹəʊˈmɪsɔː(ɹ)/

fidepromissor means one who pledges himself as security for another; bail, surety. Lexicurio rates it Rare gem — a strength score of 82 out of 100.

fidepromissor is pronounced /ˌfaɪdiːpɹəʊˈmɪsɔː(ɹ)/.

Etymology

From Latin fidēprōmissor (“guarantor, surety”), from fidēprōmittō (“make a promise on behalf of another person, stand as guarantor or surety”) + -tor, from fidē (“in faith”) + prōmittō (“promise”) + -or (“agent suffix”).

noun

One who pledges himself as security for another; bail, surety