I / insertĭo
noun

insertĭo

gen. insertōnis · gender feminine · decl. 3rd
a putting in; ingrafting; grafting
a putting in, ingrafting, grafting (post-class.), Isid. Orig. 17, 6, 2: oleastri, Aug. Ep. 120, 20: surculorum, Macr. S. 1, 7, 25.