Article · Wikipedia archive · Last revised Jun 20, 2026

Oro Win language

Oro Win is a moribund Chapacuran language spoken along the upper stretches of the Pacaás Novos River in Brazil. As of 2010, there were only six known speakers of Oro Win in Brazil, and all of them were over 50 years of age. 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.

Last revised
Jun 20, 2026
Read time
≈ 2 min
Length
388 w
Citations
9
Source
Oro Win
Oro Towati'
Native toBrazil
RegionRondônia
Ethnicity55 Oro Win (1998)1
Native speakers
5 (2011)1
Chapacuran
  • Wari
    • Oro Win
Language codes
ISO 639-3orw
Glottologorow1243
ELPOrowari
Oro Win is classified as Critically Endangered by the UNESCO Atlas of the World's Languages in Danger.

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.45

Phonology

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

Vowels6
Front Back
Close i
Near-close ʏ
Close-mid e o
Open a
Consonants6
Bilabial Dental Alveolar Palatal Velar Glottal
Stop p t̪ʙ t k ʔ
Fricative ɸ s
Nasal m n
Flap ɾ
Semivowel j w


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

References

  1. Oro Win at Ethnologue (18th ed., 2015) (subscription required)
  2. "Oro Win - Indigenous Peoples in Brazil". pib.socioambiental.org. Retrieved 2025-05-30.
  3. Birchall, Joshua. "Oro Win Language". Programa Povos Indígenas no Brasil do Instituto. Retrieved 2012-12-30.
  4. "Did you know Orowari is critically endangered?". Endangered Languages. Retrieved 2025-04-21.
  5. Tondineli, Patrícia Goulart (2021). (Re)vitalizar línguas minorizadas e/ou ameaçadas: teorias, metodologias, pesquisas e experiências (PDF) (1 ed.). EDITORA DA UNIVERSIDADE FEDERAL DE RONDÔNIA - EDUFRO. doi:10.47209/978-65-87539-61-4 (inactive 19 August 2025). ISBN 978-65-87539-61-4.{{cite book}}: CS1 maint: DOI inactive as of August 2025 (link)
  6. Lev, Michael; Stark, Tammy; Chang, Will (2012). "Phonological inventory of Oro Win". The South American Phonological Inventory Database (version 1.1.3 ed.). Berkeley: University of California: Survey of California and Other Indian Languages Digital Resource.
  7. "Word List for Oro Win". archive.phonetics.ucla.edu. Retrieved 2025-11-24.
Bibliography

Bibliography

External links