반납 (pannap) means “return” | MotiTan Korean Dictionary

More examples

책을 반납해야 합니다.chae geul pan na pae ya ham ni da

You must return the book.

A borrowed or entrusted item is handed back to its original owner or location.

돌려주다tollyeojuda: A borrowed or entrusted item is handed directly back to its owner.

빌리거나 맡아 사용한 물건을 정해진 사람이나 곳에 다시 돌려주는 일.pil li geo na ma ta sa yong han mul geo neul cheong hae jin sa ra mi na ko se ta si tol lyeo ju neun il

The word comes from the Sino-Korean characters for returning something and receiving or placing it, which suits the act of giving an item back.

This word fits organized situations such as libraries and rental services, while casual exchanges often use a more conversational expression in Korean.