Where does “Ohio” come from?

Ohio comes from Seneca ohiːyoʼ, a word of uncertain meaning.

Ancestry of “Ohio”, step by step

Ohio traces back through two separate lines of ancestry.

via Seneca ohiːyoʼ

StepLanguageWordMeaning
1Senecaohiːyoʼ
2Senecaohiːyoːhgood river

via Seneca Ohi꞉yoʼ

StepLanguageWordMeaning
1SenecaOhi꞉yoʼAllegany Reservation (in New York)

Words derived from “Ohio

Every word from Seneca ohiːyoːhEvery word from Seneca ohiːyoʼ