1. Prevalent in a particular locality, region, or population: endemic diseases of the tropics.
2. Native only to a particular locality or region: endemic birds.
3. Common in or inherent to an enterprise or situation: "All the difficulties endemic to historical research become more acute in the case of war" (Constantine Pleshakov).
1. An organism that is native only to a particular locality or region.
2. A disease that is prevalent in a particular locality, region, or population.
[From Greek endēmos, native, endemic : en-, in; see EN-2 + dēmos, people; see dā- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.