Where does “Chi” come from?

Chi is a shortened form of Chicago, from French Checagou, of unknown ultimate origin.

Chi (English): Chihuahua

Definitions

Step	Language	Word	Meaning
1	English	Chicago	—
2	French	Chécagou	—
3	Miami	šikaakwa	—
4	Proto-Algonquian	šeka·kwa	skunk
5	Proto-Algonquian	šek-	to urinate

Chi — Etymology, Origin & Word History | Etymology Explorer