In Arthurian legend, the sword belonging to King Arthur.
[Middle English, alteration (perhaps influenced by Latin chalybs, steel) of Medieval Latin Caliburnus, from Middle Welsh Caletuwlch or Middle Irish Caladbolg, a legendary sword.]
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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:
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