fe·da·yee (fĕ-dä′yē, -dä′ē, -dă′-)
n. pl. fe·da·yeen (-yēn, -ēn)
A commando or guerrilla, especially an Arab commando operating in the Middle East.
[Arabic fidā'ī, one who sacrifices himself, from fidā', sacrifice, ransom, from fadā, to sacrifice, ransom; see pdy in the Appendix of Semitic 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.