T / transactĭo
noun

transactĭo

gen. transactōnis · gender feminine · decl. 3rd
transigo (postclass.).
A completing; completion
A completing, completion: mundi, Tert. Anim. 55 med.: vitae, Ennod. Ep. 1, 6.—
an agreement; transaction
In jurid. Lat., an agreement, transaction: de transactionibus, Dig. 2, tit. 2; 50, 16, 230.