Where does “Illinois” come from?

Illinois (Italian) comes from English Illinois, from French Illinois — Illinois, Illinese (member of the Illinois Confederation).

Ancestry of “Illinois”, step by step

StepLanguageWordMeaning
1EnglishIllinoisA member of the above-mentioned tribe
2FrenchIllinoisIllinois, Illinese (member of the Illinois Confederation)
Every word from French Illinois →Every word from English Illinois →