Disclosure

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late 16th century: from disclose, on the pattern of closure .

wiktionary

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From disclose by analogy with closure. A purely English formation.

etymonline

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disclosure (n.)

1590s, "act of opening up to view, a making known or revealing;" see disclose + -ure. Formed in English, perhaps on model of closure. Meaning "that which is disclosed or made known" is by 1825.