Simpson, J., & Weiner, E. S. 1989. Oxford English dictionary. Oxford: Clarendon Press.
[OED]
Source
Nascente, Antenor. 1932. Dicionário etimológico da língua portuguesa. Rio de Janeiro: Francisco Alves.
[AN]
Source
Robert Farren, PIE culture words collection, 2017
[Farren (2017)]
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Ancestry Diagram
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Map
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