俱舍論記 3.88

3.88

「若許憂根至應名果已熟」者，返徵前難。若許憂根是異熟者，造五無間業已，因即生憂，此業爾時應名果已熟。

On "If one accepts that the faculty of grief ... should be called the fruit already matured": Counter-questioning the previous objection: If you accept that the faculty of grief is karmic maturation, then after one commits the five actions of immediate retribution and grief arises as a consequence, this karma should at that very moment be called having its fruit already matured.