A severe, often gangrenous inflammation of the lips and cheek or of the female genitals that often occurs following an infectious disease and is found most often in children who are malnourished or have poor hygiene.
[Latin nomē, ulcer, from Greek, pasturage, feeding, spreading (of a sore); see nem- 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.