acquiesce (v.)youdaoicibaDictYouDict[acquiesce 词源字典]
1610s, from Middle French acquiescer (16c.), from Latin acquiescere "to become quiet, remain at rest," thus "be satisfied with," from ad- "to" (see ad-) + quiescere "to become quiet," from quies (genitive quietis) "rest, quiet" (see quiet (n.)). Related: Acquiesced; acquiescing.[acquiesce etymology, acquiesce origin, 英语词源]