여기 왜 왔는지

why someone came here

→ 여기
phrase Rare #20,217
why someone came here Used in embedded questions meaning “why someone came here.” The subject is understood from context; in a direct question, 여기 왜 왔어요? means “Why did you come here?”
KO: 친구가 여기 왜 왔는지 궁금해요.
EN: I wonder why my friend came here.

내가 여기 왜 왔는지 그게 중요해요 당신 한테?

Does it matter to you why I came here?

— 헤어질 결심 (2022)

여기 왜 왔는지 말해봐

Tell me why you came here.

— 히든 (2005)

내가 오늘 밤 여기 왜 왔는지 모르겠어요

I don't know why I came here tonight.

— 저수지의 개들 (1992)