The Opuo (Opuuo, Opo) language, or Tʼapo, is a Koman language spoken by the Opo people of Ethiopia and South Sudan. It has a lexical similarity of 24% with Komo. The language is also called Opo-Shita, Opo, Opuo, Cita, Ciita, Shita (along with Dana), Shiita, Ansita, Kina, and Kwina. The self-name for the language is Tʼapo. "Langa" is a derogatory term for its speakers used by the Anuak.
however, of the 286 speakers the 1994 Ethiopian Census records, 183 are in the Oromia Region (mostly in the Mirab Shewa Zone), 32 in the Southern Nations, Nationalities, and People's Region, and less than ten in either of the Regions closest to South Sudan."The 1994 Population and Housing Census of Ethiopia" (accessed 31 January 2009)
An early record of this language is a list of 32 village names and a wordlist dated February 1883 by Juan Maria Schuver, where he calls the language "Gambiel".Wendy James, et al., Juan Maria Schuver's Travels in North East Africa, 1880-1883 (London: Hakluyt Society, 1996), pp. 335-340
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