subduct (v.)youdaoicibaDictYouDict[subduct 词源字典]
1570s, "subtract," from Latin subductus, past participle of subducere "to draw away, take away" (see subduce). Geological sense is from 1971, a back-formation from subduction. Related: Subducted; subducting.[subduct etymology, subduct origin, 英语词源]