This is the 3367th most frequent Korean word.
놓은
"놓은" means "placed" or "put" (past tense).
Here, '놓은' is used as the past participle form of '놓다,' indicating that the book was placed on the desk in a completed state.
나는 책을 책상 위에 놓은 상태였다.
I had the book placed on the desk.
In this sentence, '놓은' is used metaphorically to describe the act of initiating or setting rules.
그는 새로운 규칙을 학생들에게 놓은 후 설명했다.
He implemented the new rule to the students and then explained it.
Here, '놓은' functions to emphasize the act of making a choice that has been well thought out and completed.