1. The state, sensation, or quality of producing or having a moderate degree of heat: an agreeable warmth in the house.
a. Friendliness, kindness, or affection: human warmth.
b. Excitement or intensity, especially of emotion.
3. The glowing effect produced by using predominantly red or yellow hues.
[Middle English warmeth, from warm, warm; see WARM.]
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.