prefix

To put or attach before or in front of.

To settle or arrange in advance.

To add as a prefix.

To add a prefix to.

An affix, such as dis- in disbelieve, attached to the front of a word to produce a derivative word or an inflected form.

A title placed before a person’s name.

To fix or put before; place in front; put at the beginning.

To fix beforehand; set or appoint in advance; settle beforehand.

A word or syllable, or a number of syllables, rarely more than two, and usually one (sometimes reduced to a single consonant not forming a syllable), affixed to the beginning of a word, to qualify its meaning or direct, its application: opposed to suffix or postfix, a like addition at the end of a word.