This is the 5959th most frequent Korean word.
사후
"사후" means "after death" or "posthumous" in English.
The term 사후 here means 'post-sale' or 'after the event', indicating management or service provided after a purchase or an event has occurred.
그 회사는 사후 관리가 좋다.
The company has good post-sale service.
Here, 사후 signifies 'after death', relating to events or beliefs concerning the time following someone's passing.
그는 사후 세계에 대해 연구하고 있다.
He is researching the afterlife.
In this case, 사후 means 'post-event', describing actions or measures taken after an issue arises or an event occurs.