Demerit (sin)- One of the nine Tattvas (categories of truth);the inauspicious Karma-pudgala (material cluster qua Karma).aśubhabhaṃ karma pāpam.
(Jaisidī 4.14)
...upacārāt tadhetavo'pi tatśabdavācyāḥ, tataśca tad aṣṭādaśavidham...(Jaisidī 4.14 Vṛ)
See - Pāpakarma.