to instill (a fact, idea, etc.) in the mind or memory; impress.
4.
Grammar. to add as an infix.
verb (used without object)
5.
Grammar. (of a linguistic form) to admit an infix.
noun
6.
Grammar. an affix that is inserted within the body of the element to which it is added, as Latin m in accumbō “I lie down,” as compared with accubuī “I lay down.”.