Where does “Ohio” come from?

Ohio (Esperanto) comes from English Ohio, from Seneca ohiːyoʼ, from Seneca ohiːyoːh — good river.

Ancestry of “Ohio”, step by step

StepLanguageWordMeaning
1EnglishOhio—
2Senecaohiːyoʼ—
3Senecaohiːyoːhgood river
Every word from Seneca ohiːyoːh →Every word from Seneca ohiːyoʼ →Every word from English Ohio →
Ohio — Etymology, Origin & Word History | Etymology Explorer