Catherine of Si·en·a (sē-ĕnə, syĕnä), Saint 1347-1380.
Italian religious leader who mediated a peace between the Florentines and Pope Urban VI in 1378.
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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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