tr.v. de·voured, de·vour·ing, de·vours
1. To eat up greedily. See Synonyms at eat.
2. To destroy, consume, or waste: Flames devoured the structure in minutes.
3. To take in eagerly: devour a novel.
4. To preoccupy or obsess in a harmful way: was devoured by jealousy.
[Middle English devouren, from Old French devourer, from Latin dēvorāre : dē-, de- + vorāre, to swallow.]
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.