n. pl. pa·ral·y·ses (-sēz′)
a. Loss or impairment of the ability to move a body part, usually as a result of damage to its nerve supply.
b. Loss of sensation over a region of the body.
2. Inability to move or function; total stoppage or severe impairment of activity: fear that led to national paralysis.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.