小乘阿毗達磨
Từ Điển Thuật Ngữ Phật Học Hán Ngữ
The philosophical canon of the Hīnayāna, now supposed to consist of some thirty-seven works, the earliest of which is said to be the Guṇanirdeśa śāstra, tr. as 分別功德論 before A.D. 220. “The date of the Abhidharma” is “unknown to us” (Keith).