subterfuge (n.)youdaoicibaDictYouDict[subterfuge 词源字典]
1570s, from Middle French subterfuge (14c.) or directly from Medieval Latin subterfugium "an evasion," from Latin subterfugere "to evade, escape, flee by stealth," from subter "beneath, below;" in compounds "secretly" (from PIE *sup-ter-, suffixed (comparative) form of *(s)up-; see sub-) + fugere "flee" (see fugitive (adj.)).[subterfuge etymology, subterfuge origin, 英语词源]