IPA: /dɪsˈkloʊs/
KK: /dɪsˈkloʊs/
To make something known that was previously kept secret or hidden.
The company decided to disclose its financial information to the public.
Past: disclosed
Past Participle: disclosed
Disclose is formed from "dis-" (meaning apart) and "clausus" (from Latin, meaning closed). The word means to open up or reveal something that was previously closed off or hidden.
Think of something that is 'opened up' ('dis-') from being 'closed' ('clausus') — that's why disclose means to reveal.