놓은

done and left (in that state), done in advance

→ 놓다
auxiliary · past tense Uncommon #13,661
done and left (in that state), done in advance As an auxiliary, 놓다 indicates that an action has been completed and its result is left in place or ready for later.
KO: 먹을 걸 미리 준비해 놓은 거예요.
EN: I prepared it ahead of time.
Conjugation of 놓다
놔
Past
놓은

내가 부엌에 도착했을 때는 토스트와 우유, 잘라 놓은 과일이 기다리고 있었다.

When I got to the kitchen, toast, milk, and sliced fruit were waiting for me.

저 여기 동그라미 쳐 놓은 부분만 빨리 확대해 주세요

Please quickly zoom in on just the part I circled here.

— Christmas in August (1998)

월계수 잎에 해 놓은 꼴 좀 봐

Just look at what they did to the bay leaf.

— 아멜리에 (2001)

야, 칩을 해 놓은 것들이 엉망 이네

Hey, the chips are all messed up.

— A Moment to Remember (2004)