ETYM Latin, from Greek Psyche Psyche, from psyche the soul.
Soul; ego; mind.
The soul; the mind, especially the unconscious mind.

(Greek mythology) A beautiful princess loved by Cupid who visited her at night and told her she must not try to see him; became the personification of the soul.
Late Greek personification of the soul as a winged girl or young woman. The goddess Aphrodite was so jealous of Psyche's beauty that she ordered her son Eros, the god of love, to make Psyche fall in love with the worst of men. Instead, he fell in love with her himself.

Understand the mind of a person