v. a·brad·ed, a·brad·ing, a·brades
To wear down, rub away, or scrape by friction: water that abraded the canyon walls.
To become worn or scraped by abrasion: some leather abrades easily.
[Latin abrādere, to scrape off : ab-, away; see AB-1 + rādere, to scrape; see rēd- 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.