पादधिको ज्येष्ठः पादहीनः कनिष्ठः ॥ कZ_०२.२५.२० ॥
pādadhiko jyeṣṭhaḥ pādahīnaḥ kaniṣṭhaḥ
增加四分之一则为“上等”;减少四分之一则为“下等”。
It creates a simple, enforceable threshold for classifying strength/quantity, enabling consistent pricing, taxation, and penalties for short-measure.