A broad-beamed sailboat carrying a single fore-and-aft sail on a mast near the bow and often fitted with a centerboard.
[Probably from Early Modern English cat, from CAT (although the reason why such vessels were associated with cats is unknown; compare Dutch kat, cat (the animal), a kind of vessel with a wide fore and aft, and Medieval Latin gatus, gattus, and Old French chat, cat, a kind of war machine or portable shed for protecting sapping operations, a kind of war vessel equipped with such a shed, and Middle French chat, cat, a kind of commercial vessel).]
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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.