duplifix

noun2

1. •
   An affix which, when applied, incorporates some of the stem word it is modifying.

   • Note that reduplication of the root vowel in a duplifix can also be viewed as vowel harmony, see §2.3. — 2017
2. •
   An affix that works by duplicating part of the stem word.

   • First, here are examples to show variation in the phonological make-up of duplifixes. C, CV, CVC, and CVCV are all possible duplifix skeleta. — 2013