This is the 11997th most frequent Korean word.
녹아들어
"녹아들어" means "to melt into" or "to blend into."
Here, '녹아들어' represents emotionally integrating or merging into someone's feelings or personal world strongly and deeply, metaphorically.
사랑에 빠지면서 그의 마음에 녹아들어갔다.
As I fell in love, I melted into his heart.
In this context, '녹아들어' is used to describe the gradual penetration or immersion of an idea or story into someone's thoughts or feelings, figuratively speaking.
동화책의 이야기가 아이들 마음 속에 부드럽게 녹아들어갔다.
The story of the fairy tale gently melted into the children's hearts.
Here, '녹아들어' describes a physical blending or disappearance within a natural setting, thus incorporating visibly into an environment.