Meaning

noun a person apparently sensitive to things beyond the natural range of perception

adjective affecting or influenced by the human mind

adjective outside the sphere of physical science

originFrom Ancient Greek ψυχικός (psukhikós, “relative to the soul, spirit, mind”). Earlier referred to as "psychical"; or from Ancient Greek ψυχή (psukhḗ, “soul, mind, psyche”). First appeared (as substantive) 1871 and first records 1895.

Etymology from Wiktionary, CC BY-SA 3.0