n. pl. pe·sos
1. Abbr. p. See Table at currency.
2. A silver coin that was formerly used in Spain and Spanish America; a piece of eight.
[Spanish, from Old Spanish, weight, measure of weight for gold or silver, gold coin, from Latin pēnsum, something weighed, from neuter past participle of pendere, to weigh; see (s)pen- in the Appendix of Indo-European 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.