This is the 11399th most frequent Korean word.
깊어지게
"To deepen" or "becoming deeper."
In this sentence, '깊어지게' is formed from the verb 깊어지다 (to deepen) and turns it into an adverbial form, indicating the manner or effect of the action.
두 사람의 우정이 깊어지게 좋은 시간을 많이 보냈다.
The two spent a lot of good times together so their friendship deepened.
Here, '깊어지게' is used to describe the resulting state of the river due to the rain, emphasizing the cause-effect relationship.
비가 내려 강물이 깊어지게 되었다.
The rain fell, causing the river to deepen.
In this context, '깊어지게' signifies the change in depth of his understanding, often referring to intellectual or emotional insight.