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canine distemper

An acute, often fatal infectious disease of domestic dogs, wild canids, and certain other animals, caused by a morbillivirus and characterized by fever, lethargy, vomiting, coughing, discharge from the eyes and nose, and often neurological symptoms.

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:

Indo-European Roots

Semitic Roots

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.

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