Waitaká (Guaitacá, Goyatacá, Goytacaz) is an extinct language of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

(Campbell 2012), on the

São Mateus River The São Mateus River is a river primarily in Espírito Santo state in eastern Brazil., United States National Geospatial-Intelligence Agency Course The São Mateus River rises in the Brazilian state of Minas Gerais in the municipality of São F ...

and near

Cabo de São Tomé The Cabo de São Tomé is a peninsula in the state of Rio de Janeiro, on the coast of southeastern Brazil. It is 40 km southeast of the city of Campos dos Goytacazes. Further southeast is Cabo Frio Cabo Frio (, ''Cold Cape'') is a tourist d ...

in the state of

Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a b ...

. Dialects, or at least tribal divisions, were Mopi, Yacorito, Wasu, and Miri. Loukotka (1968) suggests it may have been one of the

Purian languages Purian (also Purían) is a pair of extinct languages of eastern Brazil: * Purí * Coroado Puri (also known as Colorado) Coropó (Koropó), once spoken in Minas Gerais and Rio de Janeiro, was added by Campbell (1997), but removed again by Rami ...

, though others consider this classification "circumstantial".

References

Languages of Brazil Extinct languages of South America {{na-lang-stub Purian languages Unclassified languages of South America