tr.v. fo·ment·ed, fo·ment·ing, fo·ments
1. To arouse or incite (trouble, for example).
2. To treat (the skin, for example) by fomentation.
[Middle English fomenten, to apply warm liquids to the skin, from Old French fomenter, from Late Latin fōmentāre, from Latin fōmentum, poultice, from fovēre, to warm; see dhegwh- 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.