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Arqueano

From Wiktionary, the free dictionary

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See also: arqueano

Portuguese

Etymology

From arqueano, from arque +‎ -ano, from Ancient Greek ἀρχή (arkhḗ).

Proper noun

Arqueano m

  1. (geology) Archaean (geologic eon from about 3,800 to 2,500 million years ago)

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