lym·phe·de·ma or lym·phoe·de·ma (lĭm′fə-dēmə)
Swelling, especially in subcutaneous tissues, as a result of obstruction of lymphatic vessels or lymph nodes, with accumulation of lymph in the affected region.
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.