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platform tennis

A variation of tennis played with paddles and a rubber ball on a raised wooden floor that is fenced with a wire screen, in which balls that have landed once inbounds and then struck and rebounded off the screen remain in play.

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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