Jalaa language
Spoken language
Jalaa, also known as Cèntûm, Centúúm or Cen Tuum, is an extinct language of northeastern Nigeria, of uncertain origins, apparently a language isolate. The Jalabe speak the Bwilim dialect of the Dikaka language. Wikipedia
Language family: language isolate
Extinct: several elders remembered words from their forefathers in 1992, likely none by 2010