胸 means “chest, breast, heart”

むね · mune

Also: bosom

Kun'yomi (Japanese reading)
むね, むな-
On'yomi (Chinese reading)
キョウ

JLPT N2 · Taught in grade 6 · 10 strokes

The story

Flesh (月) and a wrapping (勹) folded around a crossed frame (凶): picture the ribcage closed around the heart. 胸 is the chest, and feelings live there too: 胸がいっぱい is a heart too full for words, and 度胸 is nerve.

Used in 胸 (mune, chest), 度胸 (dokyou, nerve/guts), and 胸焼け (muneyake, heartburn)

More from The Human Body

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.