Instinct of possesiveness- Accumulative sensation arising (in the soul) on account of Udaya (rise) of Lobhavedanīya Karma (Karma qua greediness).
lobhodayāt pradhānasaṃsārakāraṇābhiṣvangapūrvikā sacittetaradravyopādānakriyā parigrahasañjñā.
(Prajñā Vṛ Pa 222)