Aruã language
extinct Arawakan language of Brazil
Aruã, also known as Aruán or Aroã, is an extinct Arawakan language of Brazil. It was spoken by the Aruã people, who lived on the island Caviana and the North-East of Marajó. Aikhenvald (1999) classifies it as a close relative of Palikur.
At least seven works were written in and on the Aruã language in the 18th century by Capuchin missionaries on the island of Marajó. These have all been lost. In 1877, naturalist and anthropologist Domingos Penna compiled a vocabulary given by the last Aruã who lived in Afuá, who was around 75 years old. An excerpt from this vocabulary is given in the list below.
In the 18th century, part of the Aruã people moved to the Uaçá River in the current state Amapá, where they mixed with the Galibi, the Marworno and other peoples. Around 1890, they still spoke among each other in the Aruã language. However by 1926, no-one could be found anymore who spoke it, speaking French Creole and Portuguese instead.
Begin with the source’s own compact description: “Aruã language” is extinct Arawakan language of Brazil. The dossier treats that line as a proposition to test through Aruã, language and extinct, not as a finished interpretation.
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The phrase “extinct Arawakan language of Brazil” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 6, 2026. The linked authority identifier is Q4795671. The first chronological checks are 1999, 1877, 1890 and 1926.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Aruã language” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.