Why is the ninth month called September?
city in Kansas, U.S.A., from Kansa (Siouan), literally "a good place to dig potatoes."
named for the river, which is named for the native people, from French variant of Kansa, native name of the Siouan people who lived there (1722). It is a plural (see Arkansas). Established as a U.S. territory in 1854, admitted as a state 1861. Related: Kansan.
Note: In the 1850s, the state came to be known as “bleeding Kansas” because of the violence between hostile free-staters and pro-slavery settlers.