POSTFIX
suffix, postfix
(noun) an affix that is added at the end of the word
Source: WordNet® 3.1
Etymology
Verb
postfix (third-person singular simple present postfixes, present participle postfixing, simple past and past participle postfixed)
(transitive) To suffix.
(biology) To subject a sample to postfixation
Noun
postfix (plural postfixes)
(chiefly, computing) Suffix.
Usage notes
Postfix is often used in programming or computing, while in the modern era suffix is used elsewhere, especially in linguistics.
Source: Wiktionary
Post"fix, n.; pl. Postfixes. Etym: [Pref. post- + -fix, as in prefix:
cf. F. postfixe.] (Gram.)
Definition: A letter, syllable, or word, added to the end of another word;
a suffix. Parkhurst.
Post*fix", v. t.
Definition: To annex; specifically (Gram.), to add or annex, as a letter,
syllable, or word, to the end of another or principal word; to
suffix. Parkhurst.
Source: Webster’s Unabridged Dictionary 1913 Edition