pristine (adj.)

1530s, "pertaining to the earliest period, primitive, ancient," from Middle French pristin or directly from Latin pristinus "former, early, original," from Old Latin pri "before," from PIE root *per- (1) "forward," hence "in front of, before, first." Meaning "unspoiled, untouched, pure" is from 1899 (implied in a use of pristinely) but according to OED 2nd ed. print still regarded as ignorant "by many educated speakers."