Where does “十人十腹” come from?

十人十腹 (Japanese) comes from Japanese 十人, from Japanese 十, from Middle Chinese 十.

Ancestry of “十人十腹”, step by step

十人十腹 traces back through two separate lines of ancestry.

via Japanese 十人

StepLanguageWordMeaning
1Japanese十人ten person; ten people
2Japanese十ten, 10; a ten-year-old
3Middle Chinese十—

via Japanese 腹

StepLanguageWordMeaning
1Japanese腹belly
Every word from Middle Chinese 十 →Every word from Japanese 十 →Every word from Japanese 十人 →