I / illīsĭo
noun

illīsĭo

gen. illīsōnis · gender feminine · decl. 3rd
(), , illido
a striking; dashing against
a striking or dashing against (late Lat.): scopulorum, Hier. Ep. 43, 3: dentium, Cael. Aur. Tard. 1, 4, 65.