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

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

, 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, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by population, second-most-populous city in Brazil (after São Paulo) and the Largest cities in the America ...

. Not a word of it is known. Dialects, or at least tribal divisions, were Mopi, Yacorito, Wasu, and Miri. Loukotka (1968) suggests it may have been one of the

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

, though others consider this classification "circumstantial".

Reconstruction

Operating under the assumption that Waitaká is a Purian language, Silva Neto (2007) reconstructs some words and a phonology.

References

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