-fix
Suffix
- grammar Forming nouns denoting a morpheme used in word formation joined to a word in the specified way (e.g.: infix = "attached within", circumfix = "attached around").
- chiefly grammar Forming verbs denoting fastening or attaching (something) in the specified way (e.g.: suffix = "append", prefix = "preface").
Etymology
The common element of prefix, suffix, and affix — all ultimately from Latin figere, to fasten.