一切經音義 3.88

3.88

垢膩（上古口反顧野王云不清潔也說文濁也下尼雉反說文膩肥也古今正字從肉貳聲也）。

垢膩 (the upper character is *gǔ* + *kǒu* [fanqie: gǒu]; Gu Yewang says: "Not clean." The Shuowen jiezi says: "Turbid." The lower character is *ní* + *zhì* [fanqie: nì]; the Shuowen jiezi says: "'Nì' means fatty or greasy." The Gujin zhengzi says: "Derived from 'ròu' (flesh) with 'èr' (貳) as phonetic").