OttawayoudaoicibaDictYouDict[Ottawa 词源字典]
Canadian capital, founded 1827 as Bytown, named for English officer John By, who oversaw construction of the canal there; renamed 1854, when it became capital, for the Ottawa River, which took its name from the Algonquian people who lived in Michigan and Ontario. Their name is said to be from adawe "to trade."[Ottawa etymology, Ottawa origin, 英语词源]