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Pil·co·ma·yo

(pĭl′kō-mäyō, pēl′-)

A river of central South America rising in central Bolivia and flowing about 1,610 km (1,000 mi) southeast along the Argentina-Paraguay border to the Paraguay River.

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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