pris·tine (prĭstēn′, prĭ-stēn)
a. Remaining in a pure state, without human alteration: a pristine stream.
b. Remaining free from dirt or decay; clean: pristine mountain snow.
2. Of, relating to, or typical of the earliest time or condition; primitive or original.
[Latin prīstinus; see per1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.