de·ver·ba·tive 
(dē-vûrbə-tĭv)
(dē-vûrbə-tĭv)adj.
1. Formed from a verb, such as the noun worker derived from the verb work.
2. Used in derivation from a verb, such as the suffix -er in teacher.
n.
A deverbative word or element. Also called deverbal.