posted by trisha .
what is an affix ....is it the ending added to a root word
Prefixes are at the beginnings of words.
Suffixes are at the endings of words.
See the noun definition here. It could be either a suffix or a prefix.
"6. Grammar. a bound inflectional or derivational element, as a prefix, infix, or suffix, added to a base or stem to form a fresh stem or a word, as -ed added to want to form wanted, or im- added to possible to form impossible."