This is the 12103rd most frequent Korean word.
누그러지길
"누그러지길" means "to become softened" or "to calm down."
In this sentence, "누그러지길" is used to express a wish or hope for someone's anger or strong emotion to calm down or mellow.
그의 화가 누그러지길 기대하고 있습니다.
I am hoping his anger subsides.
Here, "누그러지길" refers to the easing or calming of an atmosphere or situation.
고요한 음악이 분위기가 누그러지길 도왔습니다.
The soothing music helped the mood to calm down.
In this context, "누그러지길" is applied to describe a hope for the temper of the weather to become more mild or pleasant.