Nigbo is an extinct

Plateau language The forty or so Plateau languages are a tentative group of Benue–Congo languages spoken by 15 million people on the Jos Plateau, Southern Kaduna, Nasarawa State and in adjacent areas in central Nigeria. Berom and Eggon have the most speakers. ...

Nigeria Nigeria, officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of Guinea in the Atlantic Ocean to the south. It covers an area of . With Demographics of Nigeria, ...

. It was spoken near Agameti on the Fadan Karshi-Wamba road near

Sanga Sanga may refer to: People *Sanga, a Roman cognomen *Rana Sanga (c. 1482–1528), king from the Sisodia dynasty *Kumar Sangakkara (born 1977), Sri Lankan cricketer * Sanga (wrestler) (born 1984), ring name of professional wrestler Saurav Gurja ...

LGA,

Kaduna State Kaduna (, جىِهَر كَدُنا; مدينة كدونا; , ; ) is a States of Nigeria, state in the northwest geopolitical zone of Nigeria. The state capital is its namesake, the city of Kaduna (city), Kaduna, which was the List of Nigerian ...

. The language, listed in Blench (2012) and (2019), is not reported in

Ethnologue ''Ethnologue: Languages of the World'' is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensive catalogue of languages. It w ...

Glottolog ''Glottolog'' is an open-access online bibliographic database of the world's languages. In addition to listing linguistic materials ( grammars, articles, dictionaries) describing individual languages, the database also contains the most up-to-d ...

. It is presumably an Alumic language based on its proximity to Akpondu, a language closely related to Alumu and Tesu. The extinct languages Akpondu and Babur (Bəbər) were also spoken in nearby villages of Akpondu and Babur, respectively.Blench, Roger M. 2012
Akpondu, Nigbo, Bəbər and Nisam: moribund or extinct languages of central Nigeria Babur

References

Languages of Nigeria Alumic languages Extinct languages of Africa Languages extinct in the 21st century {{plateau-lang-stub