小乘化地部之祖，傳說生時母棄之井中，父救之，故名。初為婆羅門，通外道之諸義，後入於佛教。
Not to be cast away-- said to be the name of the founder of the Mahīśāsakah, or 化地 school, cast into a well at birth by his mother, saved by his father, at first brahman, afterwards a Buddhist; v. 文殊問經, but probably apocryphal.
一不可棄 小乘化地部開祖之名。傳說於出生時，其母棄諸井中，幸為其父所救，故稱不可棄。初為婆羅門，通解外道諸義，後皈依佛教，學「說一切有部」，復別立化地部，又稱不可棄部。p1279