OhioyoudaoicibaDictYouDict[Ohio 词源字典]
originally used of the river, from Seneca (Iroquoian) ohi:yo', proper name from ohi:yo:h, literally "good river." The Seneca also used this of the Allegheny, which they considered the headwaters of the Ohio. Related: Ohian (1819); Ohioan (1818).[Ohio etymology, Ohio origin, 英语词源]