C / cōnātĭo
noun

cōnātĭo

gen. cōnātōnis · gender feminine · decl. 3rd
an undertaking, endeavoring, an effort, endeavor, attempt
an undertaking, endeavoring, an effort, endeavor, attempt (post-Aug. and rare), Sen. Q. N. 2, 12, 1; Cael. Aur. Tard. 2, 9.