살다가

while living, after living

→ 살다
살 live, reside + 다가 After doing
verb · imperfect tense Rare #30,018
while living, after living 살다가 combines 살다 (“to live”) with -다가, which marks an action or state that continues until it is interrupted or followed by another event. The exact meaning depends on the sentence.
KO: 서울에서 살다가 부산으로 이사했어요.
EN: I lived in Seoul and then moved to Busan.
Conjugation of 살다

야, 살다 살다가, 응?

Wow, I’ve seen a lot in my life, but this?

— Time to Hunt (2020)

야, 살다가 어려운 일 있으면 형 한테 얘기해

Hey, if you ever have a hard time, come talk to me.

— Failan (2001)