三漸
Từ Điển Thuật Ngữ Phật Học Hán Ngữ
The three progressive developments of the Buddha’s teaching according to the Prajñā school: (a) the 鹿苑 initial stage in the Lumbinī deer park; (b) the 方等 period of the eight succeeding years; (c) the 般若 Prajñā or wisdom period which succeeded.