v. re·but·ted, re·but·ting, re·buts
1. To refute, especially by offering opposing evidence or arguments, as in a legal case: rebut an allegation.
2. To repel or reject: She rebutted his advances.
To present opposing evidence or arguments.
[Middle English reboten, rebutte, to rebuke, repel, from Old French rebouter : re-, re- + bouter, to push (of Germanic origin; see bhau- in the Appendix of Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.