續一切經音義 8.88

8.88

褒灑陀（上保毛反中沙鮓反梵語也舊云布薩訛略也此云長淨謂十五日說戒增長淨業也）。

Poṣadha (褒灑陀: the first character is [pronounced] 保毛 [bǎo]; the middle character is [pronounced] 沙鮓 [shǎ]; Sanskrit; formerly corrupted and abbreviated as 布薩 (uposatha). Here it is translated as 'Nurturing Purity', which means reciting the precepts on the fifteenth day to nurture and increase pure karma).