1. An error in naming a person or place.
a. Application of a wrong name.
b. A name wrongly or unsuitably applied to a person or object.
[Middle English misnoumer, from Old French mesnomer, to misname : mes-, wrongly; see MIS-1 + nommer, to name (from Latin nōmināre, from nōmen, name; see n-men- 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.