Kadiwéu language

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Kadiwéu is a language of the Guaicuruan family spoken by the Kadiwéu people in Brazil, near the border with Paraguay in Mato Grosso do Sul. It has about 1,200 to 1,800 speakers today. The language goes by several names, including Kaduveo, Caduveo, Kadivéu, and Kadiveo. It is mainly a subject–verb–object language in its sentence structure.

The Kadiwéu people have a long history. They were noted by Europeans in the 1500s and were sometimes called the “horseman Indians.” In wars between Paraguay and Brazil, they fought for Brazil and kept control of their lands for a long time. In more recent times, cattle ranchers moved into Kadiwéu territory, and from the 1950s ranchers obtained permission to use the land for cattle.

Linguists have studied Kadiwéu and published important works. A Kadiwéu–Portuguese dictionary appeared in 2002, and the Bible has been translated into Kadiwéu. Filomena Sandalo wrote a detailed grammar focusing on the language’s word formation and morphology. In 1968, SIL joined the work, helping expand documentation. These studies reveal a rich and complex language.

One notable feature is how Kadiwéu marks meaning on verbs with suffixes. Suffixes can show that someone causes something to happen or that something changes state. Verbs can involve one, two, or three participants, such as the subject and one or more objects. The language uses these suffixes to create different shades of meaning, like making an action causative or indicating a change of state.

Unlike languages that use tense markers, Kadiwéu uses aspect on the verb to show time-related information. There are several aspect markers that cover ideas such as an action being completed, still in progress, or having a clear endpoint. Some markers also indicate whether an action is ongoing, repeatable, or has an intensive feeling. This system helps speakers express when events happen and how they unfold.

Today, Kadiwéu remains a living language with active use among the Kadiwéu people, and it continues to be studied by linguists who document its structure and history.