Krenak language

Endangered Macro-Gê language of the Botocudo people of Brazil

The Krenak language, or Botocudo, is the sole surviving language of a small family believed to be part of the Macro-Gê languages. It was once spoken by the Botocudo people in Minas Gerais, but is known primarily by older women today.

Phonology

/h/ can also have an allophone of a velar [x].^[2]

References

1. Krenak at Ethnologue (18th ed., 2015) (subscription required)
2. Pessoa, Katia N. (2012). Análise fonética e fonológica da língua Krenak e abordagem preliminar de contos Botocudo. Campinas.