넣어 둔

put away

→ 넣다
phrase Rare #25,112
put away Indicates that something was put somewhere and left or kept there. The form shown modifies a following noun; the ending changes depending on the sentence.
KO: 중요한 서류를 서랍에 넣어 둔 사람이 누구예요?
EN: Who put the important documents away in the drawer?

오토 박사가 나를 고칠 때 그 안에 넣어 둔 것 이었다.

It was something Dr. Otto had put inside me when he repaired me.