transducer (n.)youdaoicibaDictYouDict[transducer 词源字典]
1924, "device which converts energy from one form to another," from Latin transducere/traducere "lead across, transfer, carry over," from trans- "across" (see trans-) + ducere "to lead" (see duke (n.)).[transducer etymology, transducer origin, 英语词源]