Any of various usually aquatic and often parasitic or saprophytic fungi in the division Chytridiomycota, having flagellated gametes. The parasitic chytrid Batrachochytrium dendrobatidis is thought to be responsible for a worldwide decline in amphibian populations.
[From New Latin Chytridium, type genus of the division, from Greek khutridion, little pot (the genus being so called after the potlike structure containing the unreleased spores of the fungi), diminutive of khutris, khutrid-, pot, diminutive of khutrā, pot; see gheu- 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.