v. fled (flĕd), flee·ing, flees
1. To run away, as from trouble or danger: fled from the house into the night.
2. To pass swiftly away; vanish: "of time fleeing beneath him" (William Faulkner).
To run away from: flee the scene of an accident.
[Middle English flen, from Old English flēon; see pleu- in the Appendix of Indo-European roots.]
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.