SUFFIX

[suf.fix] n [NL suffixum, fr. L, neut. of suffixus, pp. of suffigere to fasten underneath, fr. sub- + figere to fasten--more at fix] (1778): an affix occurring at the end of a word, base, or phrase--compare prefix -- suf.fix.al adj

[2]suf.fix vt (1778): to attach as a suffix -- suf.fix.a.tion n