in·ure also en·ure (ĭn-yr)
tr.v. in·ured, in·ur·ing, in·ures also en·ured, en·ur·ing, en·ures
To habituate to something undesirable, especially by prolonged subjection; accustom: "Though the food became no more palatable, he soon became sufficiently inured to it" (John Barth).
[Middle English, back-formation from enured, customary, from in ure : in, in; see IN1 + ure, use (from Old French euvre, uevre, work, from Latin opera, activity associated with work; see op- in the Appendix of Indo-European roots).]
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.