Tags: Language.
Oro Win is a moribund Chapacuran language spoken along the upper stretches of the Pacaás Novos River in Brazil.Oro Win is one of only five languages known to make use of a voiceless bilabially post-trilled dental stop [t͡ʙ̥].As of 2010 there were only six known speakers of Oro Win in Brazil and all of them were over 50 years of age.