English
adfix
From ad- + -fix.
Proto-Indo-European *dʰeygʷ- ‘to jab’
…
Latin fīxus ‘immovable’
Old French fix ‘fastened’
Old French *fixer
Middle English fixen
English fix
Today it means
noun A type of affix that is attached to the outside of a stem (an existing word), to form a new word. The adfix category branches into prefixes (ones which appear before the stem) and suffixes (ones which appear after the stem).
Language periods are conventional ranges, not dates for this word.
Etymograph / adfix