tr.v. en·no·bled, en·no·bling, en·no·bles
1. To make noble: "that chastity of honor ... which ennobled whatever it touched, and under which vice itself lost half its evil" (Edmund Burke).
2. To confer nobility upon: ennoble a prime minister for distinguished service.
[Middle English *ennoblen, from Old French ennoblir : en-, causative pref.; see EN-1 + noble, noble; see NOBLE.]
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.