俱舍論頌疏論本 2.43

2.43

所長養者，且能長養有其四種：一則飲食、二者資助如塗洗也、三睡眠、四等持。此四勝緣資益五根，長小令大，養瘦令肥，名所長養。能長養通三性，所長養唯無記。今五類門取所長養也。

Regarding 'nourished' (aupacayika): the nourishing factors are of four kinds: first, food and drink; second, supportive care, such as anointing and bathing; third, sleep; fourth, meditative stabilization (samādhi). These four superior conditions support and benefit the five faculties, making the small grow large and nourishing the lean to become stout; hence they are called 'nourished'. The nourishers admit of all three moral natures; that which is nourished is exclusively neutral. Here, in the section on the five categories, what is taken is that which is nourished.