from Creek cato hocce () "marked rock". Colorado: Spanish for "red-colored; reddish." Columbia: Named for Captain Robert Gray's ship Columbia Rediviva, the first to travel up the river. Cumberland: Named for Prince William Augustus, Duke of Cumberland. Delaware: After the Bay, named for Thomas West, Baron De la Warre, first English colonial governor of Virginia. Fraser: Named for Simon Fraser, who confirmed it was a separate river from the Columbia. Hackensack: probably from Unami Delaware ahkinkèshaki, "place of sharp ground". Hiwassee: from the Cherokee meaning "stone wall", or from an Eastern Algonquian language meaning "beyond the hill" (e.g., Abenaki awasadenek). Hudson: named for Henry Hudson, an Englishman sailing for the Netherlands, who explored it in 1609. Loup: French for "wolf", after the Pawnee "wolf people" (Skidi band). Mackenzie: After Alexander MacKenzie, the Scots-Canadian explorer. Mississagi: Ojibwe misi-zaagi, "river with a wide mouth". Mississippi: Ojibwe misi-ziibi, "big river". Missouri: Named for the Missouri Indians, who lived along the banks. Their name comes from the Illinois mihsoori, meaning "dugout canoe". Nelson: Named for Robert Nelson, a ship's master who died at the mouth of the river in 1612. Ottawa: Named for the Ottawa people, a community of the Algonquian nation, who lived along the river until 1685. Peace: After Peace Point, the location of the ratification of the Treaty of the Peace. Platte: French Rivière Plate ("Flat River"), a calque of the Chiwere name ñįbraske ("flattened water"). Potomac: From the Patowamek tribe noted by Captain John Smith. Republican: Named for the Pawnee band known as "the Republicans". Rio Grande: Spanish for "big river". Saint-Laurent: French for Saint Lawrence. Saskatchewan: From the Cree term Cree kisiskāciwani-sīpiy, meaning "swift flowing river". Schuylkill: from the Dutch schuil and kil, meaning "hidden river". Snake River: Derived from an S-shaped gesture the Shoshone made with their hands to represent swimming salmon. Explorers misinterpreted it to represent a snake, giving the river its present-day name. Stanislaus: named after Estanislao Susquehanna: Named after the Susquehannock Indians, whose name derives from an Algonquian word meaning "people at the falls", "roily water people", or "muddy current". Tennessee: Named for the Cherokee town of Tanasi, whose etymology is unknown. Wabash: English spelling of French Ouabache, from Miami-Illinois waapaahšiiki, "it shines white". Yukon: from an Athabaskan language (e.g., Koyukon yookkene, Lower Tanana yookuna). South America Amazon River: Greek (after the Amazons) alt. Indian (from Amassona 'boat destroyer') Río Calle-Calle: Mapudungun for "lot of