오래간만 (oraeganman) means “Long time no see”

More examples

오래간만입니다, 요즘 어떻게 지내세요?o rae gan ma nim ni da yo jeum eo tteo ke chi nae se yo

Long time no see; how have you been lately?

The stretch of time between now and a long-ago meeting or conversation.

오랜만oraenman: A casual greeting used when meeting someone again after a long time.

오랫동안 보지 못하거나 연락하지 않은 기간이 길었음을 나타내는 명사o raet ttong an po ji mo ta geo na yeol la ka ji a neun ki ga ni ki reo sseu meul na ta nae neun myeong sa

The compound joins 오래 (orae, "a long time") and 간만 (ganman, "an interval") to highlight the time that has passed.

It can acknowledge a long pause in either face-to-face meetings or contact, which makes it useful when conversations start again.