input (n.)youdaoicibaDictYouDict[input 词源字典]
1793, "a sum (of cash) put in," from in + put. Computing sense of "data fed into a machine" is from 1948; the verb in the computing sense is attested from 1946. There was a Middle English verb input (late 14c.) meaning "to put in, place, set," but it died out long before this.[input etymology, input origin, 英语词源]