nagana
/nəˈgɑːnə/noun
mass noun
- a disease of cattle, antelope, and other livestock in southern Africa, characterized by fever, lethargy, and oedema, and caused by trypanosome parasites transmitted by the tsetse fly（非洲南部的）家畜锥虫病。
词源
late 19th cent.: from Zulu nakane.