喬達摩成道前追隨的兩位老師之一，教導他證得「非想非非想」之定境，佛陀後來認為此法未究竟而捨棄之。

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.