Ofo language

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Ofo
Native to	United States
Region	Mississippi
Ethnicity	Ofo people
Extinct	early 20th century
Language family	Siouan Western Siouan Ohio Valley Siouan Ofo–Biloxi Ofo
Language codes
ISO 639-3	ofo
Glottolog	ofoo1242
Distribution of Ofo language

The Ofo language was a language spoken by the Ofo people, also called the Mosopelea, in what is now Ohio, along the Ohio River, until about 1673. The tribe moved south along the Mississippi River to Mississippi, near the Natchez people, and then to Louisiana, settling near the Tunica.

In the 18th century, the Mosopelea were known under the names Oufé and Offogoula.^[1] On the basis of the presence of the phoneme /f/ in these names, early linguists once suspected that Ofo was a Muskogean language. However, anthropologist John R. Swanton met an elder Ofo speaker, Rosa Pierrette, in 1908 while he was conducting fieldwork among the Tunica. From her information, he was then able to confirm that the language was Siouan and was similar to Biloxi. Pierrette had spoken Ofo as a child, but Swanton says she told him that the rest of her tribe "had killed each other off" when she was 17.^[2]