This is the 19685th most frequent Korean word.
업
"업" in Korean means "work," "business," "profession," or "karma," depending on context.
In this sentence, '업' is used as part of '사업', which means 'business' or 'enterprise'. It refers to a professional activity or occupation.
그는 새로운 사업을 시작했어요.
He started a new business.
Here, '업' does not appear in this sentence; it's to contrast its non-presence.
그들의 관계가 끝난 게 그에게 큰 충격이었다.
The end of their relationship was a big shock to him.
In this sentence, '업' does not appear directly; instead, '협력' (cooperation) could be related as an endeavor, indirectly connecting to '업' as activities or sectors.