Preoccupation; prior possession.

Preoccupation of the mind by an opinion, or impression, already formed; preconceived opinion; previous impression; bias; -- generally, but not always, used in a favorable sense; as, the prepossessions of childhood.

the condition of being prepossessed; "the king's prepossession in my favor is very valuable"

The ingrained influence of habits running counter to virtue. When this is operative over a long period, it exerts a pressure which drags the intellect down towards earthly things. (St. Theodoros the Great Ascetic, in Theoretikon, p. 40 of the Philokalia, vol. 2) Symeon the Pious: The personal, spiritual father of St. Symeon the New Theologian.