This is the 5077th most frequent Korean word.
나든
The word "나든" is not a standard term in Korean. It could be a typo, a part of a phrase, or regional/slang usage.
'나든' is part of the connective expression '가든 안 가든,' used to express 'whether or not.'
나는 학교에 가든 안 가든 공부를 할 것이다.
Whether I go to school or not, I will study.
'나든' appears in the expression '오든 안 오든,' which conveys the concept of 'regardless.'
그 사람이 오든 안 오든 나는 상관없어요.
Whether that person comes or not, it doesn't concern me.
'나든' is included in '오든 말든,' meaning 'regardless or not.'