하러 왔어

came to do something; came for the purpose of doing something

→ 하다
phrase Common #2,661
came to do something; came for the purpose of doing something The pattern [verb stem]러 왔어 means “came to [do something.” The activity comes before 러; 왔어 is an informal form of “came.”
KO: 작별 인사를 하러 왔어.
EN: I came to say goodbye.

고해성사 하러 왔어?

Did you come to confession?

— 마사안 (2015)

그 말 하러 왔어

I came to say that.

— 마루 밑 아리에티 (2010)

여기 뭣 하러 왔어

What are you doing here?

— 곡성 (2016)