IPA: /ˌriːdɪsˈkʌvə/
KK: /ˌriːdɪsˈkʌvər/
To find or learn about something again that was previously lost or forgotten.
After many years, she was able to rediscover her passion for painting.
Past: rediscovered
Past Participle: rediscovered
Rediscover is formed from "re-" (meaning again) and "discover" (from Latin "discooperire", meaning to uncover or reveal). The word means to uncover or reveal something again that was previously known or forgotten.
Think of 'discovering' something 'again' — 're-' means again, and 'discover' means to uncover.