Eightfold aggregates of Karma- A variety of Vargaṇā (special class of Pudgala (material clusters) belonging to the same kind of material aggregates);
material clusters which are possessed of the potentiality of getting transformed into the Kārmaṇaśarīra (subtle most body formed by Karma-pudgalas (material clusters qua Karma)).
(ViBhā 631 Vṛ)