Affix
AFFIX', verb transitive [Latin affigo, affixum, of ad and figo, to fix. Eng. peg. See Fix.]
1. To unite at the end; to subjoin, annex, or add at the close; as, to affix a syllable to a word; to affix a seal to an instrument.
2. To attach, unite, or connect with, as names affixed to ideas, or ideas affixed to things.
3. To fix or fasten in any manner. In this sense, fix is more generally used.
AF'FIX, noun A syllable or letter added to the end of a word.