I / illīsus
noun

illīsus

gen. illīsūs · gender masculine · decl. 4th
(), , illido
a striking; dashing against
a striking or dashing against (only in the abl. sing.): aquarum, Sil. 17, 246: illisu repercussus ventus, Plin. 2, 48, 49, § 132: linguae, App. M. 2, p. 119.