Revulsion
mid 16th century (in revulsion (sense 2)): from French, or from Latin revulsio(n- ), from revuls- ‘torn out’, from the verb revellere (from re- ‘back’ + vellere ‘pull’). revulsion (sense 1) dates from the early 19th century.
wiktionary
French révulsion, Latin revulsio.
etymonline
revulsion (n.)
1540s, as a medical term for counter-irritation as a healing technique, from French revulsion (16c.) or directly from Latin revulsionem (nominative revulsio) "a tearing off, act of pulling away," noun of action from past-participle stem of revellere "to pull away," from re- "away" (see re-) + vellere "to tear, pull" (from PIE *wel-no-, suffixed form of *uelh- "to strike;" see svelte).
From c. 1600 as "act of drawing back or away." The meaning "sudden or violent change of feeling," especially "sudden reaction of disgust" is attested by 1816.
