フク, はら

abdomen, belly, stomach

JLPT3 G6 S13 F1286

is an abbreviated form of as described in (alcohol container with a bulging middle) + leg/foot pointed downward (→ action indicator) → send back/return something received (in kind) → double back. is as per # (double back) + flesh → *stomach* of an obese person (i.e. with an extra layer of fat doubled atop the abdominal muscles) → *abdomen*; *belly*.

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