妙法蓮華經玄贊 8.537

8.537

贊曰：此對比書難。「把」音蒲巴反，或作「爬」，搔也掊也。今取「掊」音薄友反。

The Eulogy says: This contrasts the difficulty of copying. "Grasp" (把) has the fanqie pronunciation pu + ba; alternatively written as 爬, meaning to scratch or to rake. Here it is taken to have the fanqie pronunciation bo + you, meaning to rake.