사무쳐요 · 사무쳤어요 · 사무칠 거예요 · 사무친 (+noun)
to pierce deeply (into the heart), to be deeply felt
Example
고향에 계신 어머니가 뼈에 사무치게 그리워요.
I miss my mother back home so much it aches in my bones.
Word parts
From an old verb meaning 'to get through' — a feeling that goes all the way through.
Good to know
Fixed patterns: 뼈에 사무치다, 한이 사무치다, 사무치게 그립다 — for feelings that cut to the core.
Related words