an-
prefixEtymology From Ancient Greek ἀν- (an-). Doublet of un- and in-.
1
Morpheme not; used to make words that have a sense opposite to the word (or stem) to which the prefix is attached. Used with stems that begin with vowels and "h".
2
Morpheme Without, lacking.
- anoxia (without oxygen), anandrous (without male parts)