v. ab·di·cat·ed, ab·di·cat·ing, ab·di·cates
To relinquish (power or responsibility) formally.
To relinquish formally a high office or responsibility.
[Latin abdicāre, abdicāt-, to disclaim : ab-, away; see AB-1 + dicāre, to proclaim; see deik- in the Appendix of Indo-European roots.]
abdi·ca·ble (-kə-bəl) adj.
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.