Webster's Revised Unabridged Dictionary · 1913

Affix

Affix ({not transcribed}) , transitive verb

[Late Latin affixare, Latin affixus, past participle of affigere to fasten to; ad + figere to fasten: compare Old English affichen, French afficher, ultimately from Latin affigere. See Fix.]

1.
To subjoin, annex, or add at the close or end; to append to; to fix to any part of; as, to affix a syllable to a word; to affix a seal to an instrument; to affix one's name to a writing.
2.
To fix or fasten in any way; to attach physically.
Should they [caterpillars] affix them to the leaves of a plant improper for their food. — Ray
3.
To attach, unite, or connect with; as, names affixed to ideas, or ideas affixed to things; to affix a stigma to a person; to affix ridicule or blame to any one.
4.
To fix or fasten figuratively; -- with on or upon; as, eyes affixed upon the ground. [Obsolete] — Spenser

Affix ({not transcribed}) , noun

[Latin affixus, past participle of affigere: compare French affixe.]

That which is affixed; an appendage; esp. one or more letters or syllables added at the end of a word; a suffix; a postfix.