concuss
UK[kənˈkʌs]US[kənˈkʌs]
v
To injure (the brain) by a violent blow, shock, or impact.
v
To subject to a heavy shock or violent agitation.
Morpheme Breakdown
con
cuss
con
together, thoroughly
cuss
shake, strike
Etymology
The verb 'concuss' originates from the Latin past participle 'concussus', meaning "shaken violently" or "dashed together," derived from the verb 'concutere'. This verb itself is a compound of the intensive prefix 'con-' (thoroughly) and 'quatere' (to shake, strike). The core semantic logic has remained remarkably stable: the literal action of violently shaking or striking something together evolved into the specific medical sense of injuring the brain via a violent blow or shock. The journey from the physical act of shaking to the modern clinical term illustrates a precise narrowing of meaning while retaining the fundamental concept of a forceful, damaging impact.
Analysis
Structure: con (together, thoroughly) + cuss (shake, strike)
- con: A Latin prefix meaning "together, with, thoroughly." It assimilates from 'com-' before certain consonants.
- cuss: From the Latin root '-cuss-', a stem of 'quatere' meaning "to shake, to strike."
Examples
The player was concussed after the collision and taken off the field.
The explosion concussed everyone within a hundred meters, leaving them dazed.
Doctors warned that even a minor blow could concuss someone if it hits the right spot.