subdueyoudaoicibaDictYouDict[subdue 词源字典]
subdue: [14] Subdue denotes etymologically ‘lead away’. It came via Anglo-Norman *subduer from Latin subdūcere ‘lead away, withdraw’, a compound verb formed from the prefix sub- ‘from under, away’ and dūcere ‘lead’ (source of English duct, duke, etc). The sense ‘conquer, subjugate, suppress’ arose through association with the long defunct and quite unrelated English subdit ‘subject’, which came from subditus, the past participle of Latin subdere ‘bring under, subjugate’.
=> duct, duke[subdue etymology, subdue origin, 英语词源]
subdue (v.)youdaoicibaDictYouDict
late 14c., "to conquer and reduce to subjection," from Old French souduire, but this meant "deceive, seduce," from Latin subducere "draw away, lead away, carry off; withdraw" (see subduce). The primary sense in English seems to have been taken in Anglo-French from Latin subdere and attached to this word. Related: Subdued; subduing. As an associated noun, subdual is attested from 1670s (subduction having acquired other senses).