mu·tate (mytāt, my-tāt)
intr. & tr.v. mu·tat·ed, mu·tat·ing, mu·tates
To undergo or cause to undergo mutation.
[Latin mūtāre, mūtāt-, to change; see mei-1 in the Appendix of Indo-European roots.]
muta′tive (-tā′tĭv, -tə-tĭv) adj.
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.