一切經音義 30.304

30.304

牢固（老刀反前入定不定印經序已釋訖經從穴作窂非也）。

[Firm and solid] (Fanqie of 老 [l-] and 刀 [-ɑu]: already explained under the preface to the earlier *Sūtra of the Seal of Fixed and Unfixed Meditations*. The sūtra writes it with the "cave" radical as 窂, which is incorrect).