This is the 7007th most frequent Japanese word.
ムネ
"ムネ" means "chest" or "breast" in English.
Here, "胸" (mune) refers to the physical chest of a person, describing the sensation experienced.
私の胸がドキドキしている。
My chest is pounding.
In this sentence, "胸" (mune) is used metaphorically to refer to the emotions or heart of a person, conveying impact.
その言葉に心の胸を打たれた。
That word struck a chord in my heart.
Here, "胸" (mune) indicates the posture or area of the chest associated with proud demeanor and confidence.