Oro Win
Oro Towati'
Native to	Brazil
Region	Rondônia
Ethnicity	55 Oro Win (1998)[1]
Native speakers	5 (2011)[1]
Language family	Chapacuran Wari Oro Win
Language codes
ISO 639-3	orw
Glottolog	orow1243
ELP	Orowari
Oro Win is classified as Critically Endangered by the UNESCO Atlas of the World's Languages in Danger.
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Oro Win is a moribund Chapacuran language spoken along the upper stretches of the Pacaás Novos River in Brazil.^[2] As of 2010, there were only six known speakers of Oro Win in Brazil, and all of them were over 50 years of age.^[3] However, other reports dictate that there are 12 speakers as of 2015, and there are efforts to increase use of Oro Win among the community.^[4][5]

Phonology

Oro Win is one of only five languages known to make use of a voiceless bilabially post-trilled dental stop, [t͡ʙ̥].

Vocabulary

[tʙ̥otʙ̥ok inan] 'I walk on logs'

[kotʙ̥ok inan] 'I start a motor'

[katʙ̥ʉ na] 'It is an owl'

[tʙ̥untʙʉ na] 'It is a helicopter'

[tʙ̥um] 'small boy'^[7]

References

Bibliography

• Everett, Daniel; & Kern, B. (1996). Wari’: The Pacaas Novos language of western Brazil. London: Routledge.
• Ladefoged, Peter; Everett, Daniel. (1996). The status of phonetic rarities. Language, 72 (4), 794–800.

External links

• Oro Win: Povos Indígenas no Brasil - Instituto Socioambiental
• Linguistics Professor Discovers New Language in Brazilian Rain Forest. Pittsburgh University Times v. 27 n. 4 (1994). (offline, but see this copy)
• UCLA Phonetics Lab Data – recordings of [t͡ʙ̥] in Oro Win.

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