俱舍論記 2.38

2.38

「於根有愛發殊勝業」者，前師答。於根有愛，發殊勝業，此業即是鼻舌根因。

Regarding the passage: "There is craving for the faculties, which gives rise to extraordinary karma," the previous master replies: there is craving for the faculties, which initiates extraordinary karma; this karma is the cause of the faculties of nose and tongue.