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1650s (implied in traumatic), "physical wound," from Greek trauma "wound," from PIE *tro-, *trau-, from root *tere- "to rub, turn" (see throw (v.)). Sense of "psychic wound, unpleasant experience which causes abnormal stress" is implied in traumatic, in psychological jargon 1889.
trauma trau·ma (trô'mə, trou'-)
n. pl. trau·mas or trau·ma·ta (-mə-tə)
A serious bodily injury or shock, as from violence or an accident.
An emotional wound or shock that creates substantial lasting damage to one's psychological development, often leading to neurosis.
Wounds that result from sudden physical injury or violence.
Note: The term is frequently used to describe an emotional shock that causes serious psychological damage.