나왔는데

came out, came, appeared, was released, went out

→ 나오다
나왔 Past tense + 는데 Background/contrast connective
verb · informal, past tense Rare #22,836
came out, came, appeared, was released The ending -는데 often adds background or contrast, or leaves the sentence open for what comes next.
KO: 새 영화가 나왔는데 같이 볼래?
EN: A new movie came out; do you want to watch it together?
went out, came out Used for going out or coming out to meet someone, depending on context.
KO: 친구를 마중 나왔는데 아직 안 왔어.
EN: I came out to meet my friend, but they haven't arrived yet.
Conjugation of 나오다

야 어제 당번 누구 냐 일지 안 나왔는데 그리고 꽃 당번 누구 냐?

Hey, who was on duty yesterday? The log isn’t out yet. And who’s in charge of the flowers?

— 목소리의 형태 (2016)

비 온다 그래서 마중 나왔는데

You said it was going to rain, so I came out to meet you.

— Tune in for Love (2019)

잠깐 나왔는데?

But you just stepped out?

— Svaha: The Sixth Finger (2019)