DERIVE
v.
late 14c., “descend from”
from Old French deriver “to flow, pour out, originate”
from Latin derivare “to lead or draw off (a stream of water) from its source”
DERIVATION
n.
the formation of a word by changing the form of the base or by adding affixes to it
MUTATION
n.
late 14c., mutacioun, “action or process of changing,”
from Latin mutationem “a changing, alteration, a turn for the worse,” noun of action from past-participle stem of mutare “to change”
The genetics sense “process whereby heritable changes in DNA arise” is from 1894