따님을

your daughter

→ 따님
phrase Rare #27,681
your daughter 따님 is a respectful term for someone else's daughter; 을 marks her as the object of the verb.
KO: 따님을 기다리고 있습니다.
EN: I'm waiting for your daughter.

병원에 도로 가서 갖고 의사를 믿고 따님을 맡기세요

Go back to the hospital, trust the doctor, and leave your daughter in their care.

— 곡성 (2016)

인도 쪽에서 따님을 못 찾았다고 하네요

Apparently, they couldn't find your daughter on the Indian side.

— 카쉬미르의 소녀 (2015)

따님을 본 사람도 없고요

No one has seen your daughter either.

— 폭풍의 시간 (2018)