나요 · 났어요 · 날 거예요 · 난 (+noun)
to come out, to appear; to happen, to break out; to grow
Example
갑자기 밖에서 이상한 소리가 났어요.
Suddenly there was a strange sound outside.
Word parts
A super-productive verb: 화가 나다, 사고가 나다.
Good to know
Learn it in chunks: 열이 나다 (have a fever), 냄새가 나다 (smell), 생각이 나다 (come to mind).
Related words