Lapachu, also known as Apolista or Aguachile, is an extinct Arawakan language of Bolivia. Aikhenvald (1999) classifies it together with Terena language, Terena, Moxos language, Moxos, and related languages. It is not clear from surviving descriptions whether it was one language or two.

References

Arawakan languages {{Arawakan-lang-stub pms:Lenga enawené-nawé Languages of Bolivia