पादधिको ज्येष्ठः पादहीनः कनिष्ठः ॥ कZ_०२.२५.२० ॥
pādadhiko jyeṣṭhaḥ pādahīnaḥ kaniṣṭhaḥ
4分の1増やせば「上等」となり、4分の1減らせば「下等」となる。
It creates a simple, enforceable threshold for classifying strength/quantity, enabling consistent pricing, taxation, and penalties for short-measure.