Aversion

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late 16th century (originally denoting the action of turning away or averting one's eyes): from Latin aversio(n- ), from avertere ‘turn away from’ (see avert).

wiktionary

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From Middle French aversion, from Latin āversiō. Doublet of aversio.

etymonline

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aversion (n.)

1590s, "a turning away from;" 1650s in the figurative sense of "mental attitude of repugnance or opposition," from French aversion (16c.) and directly from Latin aversionem (nominative aversio), noun of action from past-participle stem of aversus "turned away, backwards, behind, hostile," itself past participle of avertere "to turn away" (see avert). Aversion therapy in psychology is from 1946.