a. A term used to characterize a person or thing, such as rosy-fingered in rosy-fingered dawn or the Great in Catherine the Great.
b. A term used as a descriptive substitute for the name or title of a person, such as The Great Emancipator for Abraham Lincoln.
2. A disparaging or abusive word or phrase.
3. Biology A word in the scientific name of an organism following the name of the genus and denoting a species, subspecies, variety, or cultivar, as sativa in Lactuca sativa.
[Latin epitheton, from Greek, neuter of epithetos, added, attributed, from epitithenai, epithe-, to add to : epi-, epi- + tithenai, to place; see dhē- in the Appendix of Indo-European roots.]
ep′i·thetic, ep′i·theti·cal adj.
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.