데뷔 /de-byu/
Debut
An artist's or group's first official public performance or release. In K-pop, a debut is a highly anticipated milestone event for both artists and fans.
Examples
그 그룹 데뷔 무대 봤어?
Did you watch that group's debut stage?
데뷔 첫날부터 팬이었어
I've been a fan since their very first debut day