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