concuss/kənˈkʌs/EtymologyFrom Latin concussus, the perfect passive participle of concutiō (“shake violently”), from con- + quatiō (“shake, hit”).verbTo injure the brain of, usually temporarily, by violent impact.“The blow will concuss him.”To force to do something, or give up something, by intimidation; to coerce.“The opposite principle , or rather the opposite practice of intrusion , is the reverse of this : it consists in concussing the Presbytery to ordain , and in concussing the people to receive.”