F / fĭdĕjussĭo
noun

fĭdĕjussĭo

gen. fĭdĕjussōnis · gender feminine · decl. 3rd
fidejubeo, jurid. t. t.
a giving; being surety; suretyship; bail
a giving or being surety; suretyship, bail: servus fidejussionis nomine obligari non potest, Dig. 46, 1, 20; id. 10, 2.