俱舍論記 12.74

12.74

「論曰至長壽久住」者，釋初句。劫初化生，名為意成。初未段食，以喜樂為飲食。

"Regarding 'The treatise says [...] long-lived and abiding for a long time': this explains the first line. Being apparitionally born at the beginning of the aeon, they are called 'mind-made.' At first they do not have solid food, taking joy and pleasure as their food.