Concussion
来自Big Physics
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late Middle English: from Latin concussio(n- ), from the verb concutere ‘dash together, shake’ (see concuss).
wiktionary
From concuss + -ion From the Latin concussio.
etymonline
concussion (n.)
c. 1400, "a bruising, contusion (to the head)," from Latin concussionem (nominative concussio) "a shaking, an earthquake," noun of action from past-participle stem of concutere "shake violently," from assimilated form of com "with, together" (see con-) + quatere "to shake" (see quash).
From late 15c. as "act of shaking or agitation," especially by impact of another body; from 1540s as "brain injury caused by a fall or blow."
