Di·de·rot (dēdə-rō′, dē-drō), Denis 1713-1784.
French philosopher and writer whose supreme accomplishment was his work on the Encyclopédie (1751-1772), which epitomized the spirit of Enlightenment thought. He also wrote novels, plays, critical essays, and brilliant letters to a wide circle of friends and colleagues.
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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.