8 Words That Are Older Than You Think
African nation, named for the river that runs through it, which is from a Bantu word meaning "mountains" (i.e., the river that flows from the mountains). As an adjective, Congoese is native English (1797) but has been supplanted by Congolese (1900), from French Congolais.
Note: One of the world's longest rivers, it is Africa's largest potential source of electric power.
Note: Explored separately but simultaneously by the missionary David Livingstone and the journalist Henry Stanley, the Congo was the site of their proverbial encounter. (See “Dr. Livingstone, I presume?”)