infix

fe’l verb

1. To set; to fasten or fix by piercing or thrusting in. to infix a sting, spear, or dart
2. To instill.
3. To insert a morpheme inside an existing word.

ot noun

1. A morpheme inserted inside an existing word, such as -bloody- in English.
2. A morpheme that always appears between other morphemes in a word, such as -i- and -o- in English.