nagana /nəˈɡänə, nəˈɡɑnə 
/ ▸ noun a disease of cattle, antelope, and other livestock in southern Africa, characterized by fever, lethargy, and edema, and caused by trypanosome parasites transmitted by the tsetse fly.
– ORIGIN late 19th century : from Zulu nakane.
EnglishOxford New American Dictionary
