Greek word
psychḗ
ψυχή
What it means
breath, i.e. spirit, abstractly or concretely (the animal sentient principle only
breath, i.e. (by implication) spirit, abstractly or concretely (the animal sentient principle only; thus distinguished on the one hand from pneûma (πνεῦμα), which is the rational and immortal soul; and on the other from zōḗ (ζωή), which is mere vitality, even of plants: these terms thus exactly correspond respectively to the Hebrew nephesh, rûwach and chay)
Where it comes from
from psýchō (ψύχω)