一切經音義 21.29

21.29

挹（因入反珠叢曰凡以器酙酌於水謂之挹今謂以心測於法亦謂之挹也）。

To ladle / fathom (挹 is pronounced 因入. The *Zhucong* states: "Whenever a vessel is used to ladle and pour water, it is called *yi*. Here, using the mind to fathom the Dharma is also called *yi*").