資料來源 : Webster's Revised Unabridged Dictionary (1913)

Postfix \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.