affix

/ə-ˈfiks/

borrowed from Latin affīxus, past participle of affīgere "to fasten (to), attach," from ad- ad-fīgere "to drive in, insert"

verb

  1. to attach physically

  2. to attach in any way : add, append

  3. impress

affix a stamp to a letter

fasten fix attach affix mean to make something stay firmly in place. fasten implies an action such as tying, buttoning, nailing, locking, or otherwise securing. fix usually implies a driving in, implanting, or embedding.

noun

  1. one or more sounds or letters occurring as a bound form attached to the beginning or end of a word, base, or phrase or inserted within a word or base and serving to produce a derivative word or an inflectional form

  2. appendage

The affix in the word "attendance" is "-ance."