mes·en·ter·y (mĕzən-tĕr′ē, mĕs-)
n. pl. mes·en·ter·ies
Any of several folds of the peritoneum that connect the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum.
[Middle English mesenterie, from Medieval Latin mesenterium, from Greek mesenterion : meso-, meso- + enterion, diminutive of enteron, entrails; see en in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.