underived

adjectives

not derived; primary or simple
underived
antonym
derived
is similar to
not derived or copied or translated from something else
"the play is original; not an adaptation"; "he kept the original copy and gave her only a xerox"; "the translation misses much of the subtlety of the original French"
original
is similar to
not derived from or reducible to something else; basic
"a primary instinct"
primary