사선근(위) (四善根(位))라고도 말하며, 보살의 계위 (階位)인 오위 (五位)의 두 번째 자리. 1) 난위 (煖位), 2) 정위 (頂位), 3) 인위 (忍位), 4) 세제일법위 (世第一法位). 이들 사위 (四位)는 다음 통달위 (通達位)에 이르기 위하여 특히 애써 수행하는 자리. 보다 자세한 내용은 각 항목 참조

Samadhi of four progressive spiritual development: It is the second stage of the five stages of spiritual development for attaining the stage of Bodhisattva: 1) The stage of heat, or the samadhi of obtaining the light. 2) The stage of summit, or the samadhi of increase in the wisdom of light. 3) The stage of tolerance, or the samadhi of accommodation. 4) The stage of constancy, or the samadhi of the supreme worldly Dharma. It is also called (Saseongeunwi) Four wholesome or virtuous roots.