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Jef·fer·son

(jĕfər-sən), Lemon Known as “Blind Lemon.” 1893-1929.

American musician whose recordings in the 1920s helped to popularize the blues.

Jefferson, Mount

A peak, 3,199 m (10,497 ft) high, in the Cascade Range of northwest Oregon southeast of Portland.

Jefferson, Thomas 1743-1826.

The third president of the United States (1801-1809). A member of the Continental Congress, he drafted the Declaration of Independence (1776). His presidency was marked by the purchase of the Louisiana Territory from France (1803) and the Tripolitan War (1801-1805). A political philosopher, educator, and architect, Jefferson designed his own estate, Monticello, and buildings for the University of Virginia.

(click for a larger image)

Thomas Jefferson

portrait by George Peter Alexander Healy (1813-1894) after a portrait by

Gilbert Stuart

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:

Indo-European Roots

Semitic Roots

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.

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