Any of numerous flatworms of the class Trematoda, including both external and internal parasites of animal hosts, that have a thick outer cuticle and one or more suckers or hooks for attaching to host tissue.
[From New Latin Trēmatōda, class name, from Greek trēmatōdēs, having holes, from trēma, trēmat-, perforation; see terə-1 in the Appendix of Indo-European roots.]
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Indo-European & Semitic Roots Appendicies
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:
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