feedback的词源

英文词源

feedback (n.)youdaoicibaDictYouDict
1920, in the electronics sense, "the return of a fraction of an output signal to the input of an earlier stage," from verbal phrase, from feed (v.) + back (adv.). Transferred use, "information about the results of a process" is attested by 1955.

中文词源

feedback:反馈

即喂回来。

该词的英语词源请访问趣词词源英文版:feedback 词源,feedback 含义。

feedback:反馈,反应

词根词缀: feed喂 + back回