Pristine

прилагательное 1) древний; первоначальный, изначальный Синоним(ы): original, former, primitive, ancient 2) чистый, нетронутый; неиспорченный Синоним(ы): untouched, chaste, virginal, pure

Большой англо-русский словарь

Pristine

adjective Etymology: Latin pristinus; akin to Latin prior 1. belonging to the earliest period or state; original Example: the hypothetical pristine lunar atmosphere 2. a. not spoiled, corrupted, or polluted (as by civilization); pure Example: a pristine forest b. fresh and clean as or as if new Example: pristine hard-backs in uniform editions to fill our built-in bookcases — Michiko Kakutanipristinely adverb

Merriam-Webster's Collegiate Dictionary