triumviratus

(triumvirātus, ūs) m

triumvir, the office of a triumvir, triumvirate .—Only abl: triumviratibus (gestis), L.

triumviratus
trĭumvĭrātus, ūs, m. [triumviri], the office or dignity of a triumvir , the triumvirate : triumvi...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.