Repressed

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Middle English (in the sense ‘keep back something objectionable’): from Latin repress- ‘pressed back, checked’, from the verb reprimere, from re- ‘back’ + premere ‘to press’.

wiktionary

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repress +‎  -ed

re- +‎  pressed

etymonline

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repressed (adj.)

1660s, "restrained, checked," past-participle adjective from repress (v.). Psychological sense of "kept out of the conscious mind, kept in the subconscious" is attested by 1904.