This is the 42nd most frequent Korean word.
후
"후" means "after" or "later" in English.
'후' in this sentence is used as a suffix to express 'after' or 'following' the action of having a meal.
식사를 한 후에 산책을 했어요.
After having a meal, I took a walk.
Here, '후' implies the sequence of events, denoting something that occurs subsequent to another action.
그는 일을 끝낸 후 집으로 갔습니다.
He went home after finishing his work.
In this context, '후' denotes the time directly following an activity, emphasizing a habitual action done right after.