Prefix /(?)/

imp. & p. p. Prefixed; p. pr. & vb. n. Prefixing

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

   And now he hath to her prefixt a day.

1. That which is prefixed; esp., one or more letters or syllables combined or united with the beginning of a word to modify its signification; as, pre- in prefix, con- in conjure.