Infixion

[verb in-fiks, in-fiks; noun in-fiks] /verb ɪnˈfɪks, ˈɪnˌfɪks; noun ˈɪnˌfɪks/

verb (used with object)
1.
to fix, fasten, or drive in:
He infixed the fatal spear.
2.
to implant:
to infix a habit.
3.
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.”.
verb (ɪnˈfɪks; ˈɪnˌfɪks)
1.
(transitive) to fix firmly in
2.
(transitive) to instil or inculcate
3.
(grammar) to insert (an affix) or (of an affix) to be inserted into the middle of a word
noun (ˈɪnˌfɪks)
4.
(grammar) an affix inserted into the middle of a word