Immissio, onis, f. g. Verbal. A sending or putting in: a setting or graffing.Cic. Sarmentorum, aliorum amputatio, & aliorum immissio. The cutting away of some, and letting growe of other.
Lewis and Short: Latin dictionary
immissĭo (inm-), ōnis, f. [id.], a letting in, admission (rare but class.): fumi aut aquae, Dig. 8, 5, 8, 5: sarmentorum ea aliorum amputatio, aliorum inmissio,