What is "prefixation"

Etymology 1 n. (context linguistics English) The adding of a prefix to a word. Etymology 2

n. 1 (context anatomy of a nerve English) The (l en state) or (l en condition) of being (l en prefixed). 2 (context biology English) (l en initial Initial) (l en treatment) of (l en tissue) with a (l en fixative), as a (l en preliminary) to the (l en application) of another fixative or to the use of a (l en different) treatment.

n. formation of a word by means of a prefix