Vocabulary
남다
remain
Meaning
Verb 남다: to remain or be left; 남 is the stem.
Why this form?
남기다 — leave behind: a transitive verb; 남다 is intransitive.
Forms not to confuse
남기다
메시지를 남겼어요. — I left a message.
Examples
그럼 남은 건 2층이랑 지상층이네요. — Then the second floor and the ground floor are what remain.
시간이 조금 남았어요. — There is some time left.