Prefix

v. t. [imp. & p. p. PREFIXED (pre-fĭkst'); p. pr. & vb. n. PREFIXING.] [Lat. præfigere, præfixum, from præ, before, and figere, to fix; It. prefiggere, Sp. prefijar.]

1. To put or fix before, or at the beginning of another thing; as, to prefix a syllable to a word; to prefix an advertisement to a book, or an epithet to a title.
2. To set or appoint beforehand; to settle or establish antecedently. [Obs.]

A time prefix, and think of me at last. Sandys. I would prefix some certain boundary between the old statutes and the new. Hale.