1. A ruler of a Muslim country, especially of the former Ottoman Empire.
2. A powerful person: a sultan of vice and corruption.
[French, from Old French, ruler of Turkey, from Turkish, from Arabic sulṭān, from Aramaic šulṭānā, ruler, from šəlaṭ, to rule; see šlṭ in the Appendix of Semitic roots.]
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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.