成唯識論了義燈 7.114

7.114

二、二障所引生所餘習氣無堪任性，名為麁重。即下斷障中云：二障所生無堪任性，如於二定說斷苦根。

Second, the unfitness of the remaining latent impressions induced by the two obscurations is called coarse heaviness. This is what is stated below under severing obscurations: The unfitness produced by the two obscurations is like the statement that the faculty of suffering is severed in the second dhyāna.