\Post"fix\, n.; pl. {Postfixes}. [Pref. post- + -fix, as
in prefix: cf. F. postfixe.] (Gram.)
A letter, syllable, or word, added to the end of another
word; a suffix. --Parkhurst.

\Post*fix"\, v. t.
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.