tr.v. af·fright·ed, af·fright·ing, af·frights
To arouse fear in; terrify: "Many of nature's greatest oddities, that would affright dwellers up here, are accepted down there" (David Mazel).
1. Great fear; terror.
2. A cause of terror.
[Middle English afrighten, from Old English āfyrhtan : ā-, intensive pref. + fyrhtan, to frighten (from fyrhto, fright).]
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.