underivative (adjective) original: earliest
Sinonime: aboriginal,
archetypal,
authentic, autochthonous,
beginning, commencing,
early,
elementary, embryonic,
first, first-hand,
genuine, inceptive, infant,
initial, introductory,
opening,
pioneer,
primary,
prime,
primeval,
primitive,
primordial,
pristine, prototypal, rudimental,
rudimentary,
starting, underivative, underived
Antonime: derivative,
latest, newest