infidelitas
From LSJ
Latin > English (Lewis & Short)
infĭdēlĭtas: ātis, f. infidelis,
I unfaithfulness, faithlessness, infidelity: amicitiarum, Cic. Tusc. 5, 22: infidelitatis suspicionem sustinere, * Caes. B. C. 2, 33. — In plur.: quantae infidelitates in amicitiis, Cic. Mil. 26, 69.
Latin > French (Gaffiot 2016)
īnfĭdēlĭtās,¹⁴ ātis, f. (infidelis), infidélité : Cic. Tusc. 5, 22 ; Cæs. C. 2, 33, 1 ; pl., Cic. Mil. 69.