de·nom·i·nal 
(dĭ-nŏmə-nəl, dē′-)
(dĭ-nŏmə-nəl, dē′-)adj.
Derived from a noun: a denominal adjective
n.
A word, such as cattish or winterize, that is formed from a noun but belongs to another part of speech.
[DE- + NOMINAL.]
de′nom·i·nal·ly adv.