Pro·me·the·us (prə-mēthē-əs, -thys′)
A Titan who stole fire from Olympus and gave it to humankind, for which Zeus chained him to a rock and sent an eagle to eat his liver, which grew back daily.
[Latin Promētheus, from Greek.]
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.