cha'i rgyan

among don rgyan, a things nature unsuitable rnam pa nges par gsal ba de; g.yo zol gyis obscured and not manifest made ornament, among which are four kinds:, 'os pa'i cha, mi 'os pa'i cha, smad pa'i cha las bstod pa, bstod pa'i cha las smad pa] [IW]