Depressive

google

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late Middle English: from Latin depressio(n- ), from deprimere ‘press down’ (see depress).

wiktionary

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From French dépressif or Medieval Latin depressivus.

etymonline

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depressive (adj.)

"able or tending to depress," 1610s, from Latin depress-, past-participle stem of deprimere (see depress) + -ive. In psychology, from 1905. Related: Depressiveness.