最初來源于當地的部落名Illiniwek，簡稱Illini（就是University of Illinois - Urbana Champaign的那個綽號Fighting Illini），意思是“戰斗的民族”。后來法國人來了，按法語的習慣，在地名的詞后加上了ois這個詞綴。
英文詞源
Illinois
U.S. territory created 1809; name is from a native Algonquian people who called themselves Inoca (1725), also written Ilinouek, Old Ottawa for "ordinary speaker." The modern form represents a 17c. French spelling, pronounced "ilinwe" at that time. Admitted as a state 1818.
雙語例句
1. My home state of Illinois is flat as a pancake.
我的故鄉伊利諾伊州一馬平川。
來自柯林斯例句
2. The National Weather Service has reported several tornado sightings in Illinois.
美國國家氣象局報道說在伊利諾伊州出現了幾次龍卷風。
來自柯林斯例句
3. The president spoke in Illinois to workers at Caterpillar.
總統在Illinois州 的卡特彼勒公司對工人們發表講話.
來自互聯網
4. Parishioners in Maryville , Illinois, attended a memorial service Sunday evening for Pastor Fred Winters.