1842, from Arabic Bilad-al-sudan, literally "country of the blacks" (originally the stretch of Africa between the Sahara and the equator), from sud, plural of aswad (fem. sauda) "black." In early use also Soudan, from French. Related: Sudanese.
sucre
sucro-
sucrose
suction
suctorial
Sudan
sudarium
sudatorium
sudden
suddenly
Sudeten