ゴータマが悟りを開く前に師事した二人の師のうちの一人で、非想非非想処の境地を教えたが、この教えを仏陀は後に不十分と見なして捨て去った。

One of the two teachers under whom Gotama studied before his enlightenment, who taught him the attainment of “neither-perception-nor-non-perception,” a doctrine the Buddha later found unsatisfactory and abandoned.