（1） To leak. （2） To let leak， reveal， omit. （Buddhism） （3） Activity which is based on ignorance and is therefore sam!sa^ric， defiled， contaminated （Skt. a^srava; Pali a^sava; Tib. zag pa）. The term was originally used in Jain philosophy to describe karmic accretions that attach to the soul （ji^va）， and was subsequently borrowed into Buddhism with a somewhat different meaning.