proper noun/amaˈθonas/
Amazon (a river in South America, that flows through Brazil for about 4000 miles to the Atlantic); Amazonas (a department of Colombia); Amazonas (a region of Peru); Amazonas (a state of Venezuela)
Synonyms: Marañón
The hydronym comes from amazonas (“Amazons”), after the reports that Francisco de Orellana encountered and fought female warriors during his expedition. The other toponyms were named after the river.