from 5590; sensitive, i.e. animate (in distinction on the one hand from 4152, which is the higher or renovated nature; and on the other from 5446, which is the lower or bestial nature):

KJV-- natural, sensual.

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5590 psuche (psoo-khay');

from 5594; breath, i.e. (by implication) spirit, abstractly or concretely (the animal sentient principle only; thus distinguished on the one hand from 4151, which is the rational and immortal soul; and on the other from 2222, which is mere vitality, even of plants: these terms thus exactly correspond respectively to the Hebrew 5315, 7307 and 2416):

KJV-- heart (+-ily), life, mind, soul, + us, + you.