v. re·voked, re·vok·ing, re·vokes
To invalidate or cause to no longer be in effect, as by voiding or canceling: Her license was revoked.
To fail to follow suit in cards when required and able to do so.
Failure to follow suit in a card game when required and able to do so.
[Middle English revoken, from Old French revoquer, from Latin revocāre : re-, re- + vocāre, to call; see wekw- 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.