concuss (v.)youdaoicibaDictYouDict[concuss 词源字典]
1590s, "to shake violently," from Latin concuss-, past participle stem of concutere "to dash together, shake violently" (see concussion). Meaning "to give a concussion to the brain" is from 1680s. Related: Concussed; concussing; concussive.[concuss etymology, concuss origin, 英语词源]