頭陀

(sa) dhūta, also 杜多; 杜荼 shaken, shaken off, cleansed. To get rid of the trials of life; discipline to remove them and attain (sa) nirvāṇa. There are twelve relating to release from ties to clothing, food, and dwelling:

(1) garments of cast-off rags;

(2) only the three garments;

(3) eat only food begged;

(4) only breakfast and the noon meal;

(5) no food between them;

(6) limited amount;

(7) dwelling as a hermit;

(8) among tombs;

(9) under a tree;

(10) under the open sky;

(11) anywhere;

(12) sitting and not lying down. There are other groups.