Premature rise (of Karma)- A kind of Karmakaraṇa (spiritual energy qua transformation of Karma);
the Udaya (rise) of Karma prior to its due time, which necessarily involves Apavartanā (attenuation).
niyatakālāt prāk udayaḥ udīraṇā, iyaṃ cāpavarttanāpekṣiṇī.
(Jaisidī 4.5 Vṛ)