IPA: /rɪˈlɜrn/
KK: /rɪˈlɜrn/
To learn something again that you previously knew or learned before.
After taking a long break from playing the piano, I had to relearn all my favorite songs.
Past: relearned
Past Participle: relearned
Relearn → It is formed from "re-" (meaning again) and "learn" (from Old English "leornian", meaning to acquire knowledge). The word "relearn" means to learn something again or to acquire knowledge anew.
Think of 'learning again' — 're-' means again, and 'learn' means to acquire knowledge.