Lewis Short
interventus (noun M) : id.
* A coming up, appearance, coming between, intervention.
* Lit.
* Of persons: interventus alicujus,Cic. Part. 8, 30: Caleni et Calvenae,id. Att. 16, 11, 1: Pomptini,id. Cat. 3, 3, 6: hominum,Liv. 26, 19: Alexandri,Just. 11, 1, 7.
* Transf., interposition, mediation, assistance: principis, Trajan. ad Plin. Ep. 10, 68: judicis,Dig. 33, 1, 7: sponsorum,i. e. bail,Suet. Caes. 18. —Esp., in a suit at law, the substitution of a new plaintiff or defendant, Gai. Inst. 3, 176.
Charlton T. Lewis, Charles Short, A Latin Dictionary