Where does “暖簾に腕押し” come from?

暖簾に腕押し (Japanese) comes from Japanese 腕, from Japanese 腕輪, from Japanese 輪 — ring; circle.

Ancestry of “暖簾に腕押し”, step by step

暖簾に腕押し traces back through 3 separate lines of ancestry.

via Japanese 腕

StepLanguageWordMeaning
1Japanese腕arm; ability; skill; talent
2Japanese腕輪bracelet
3Japanese輪ring; circle

via Japanese に

StepLanguageWordMeaning
1Japaneseにparticle for indirect objects; to; particle for...
2Old Japaneseに—

via Japanese 押し

StepLanguageWordMeaning
1Japanese押し—
Every word from Japanese 輪 →Every word from Japanese 腕 →Every word from Japanese 腕輪 →