word-forming element meaning "mind, mental; spirit, unconscious," from Greek combining form of psykhē "the soul, mind, spirit; life, one's life, the invisible animating principle or entity which occupies and directs the physical body; understanding, the mind (as the seat of thought), faculty of reason" (see psyche). It also was used to form compounds in Greek, such as psychapates "soul-beguiling" (with apate "deceit").
c. 1600, of material things, "to dissect, take to pieces," from French analyser, from the noun analyse "analysis" (see analysis). Of literature, "examine critically to get the essence of," from 1610s; the meaning in chemistry ("resolve a compound into elements") dates from 1660s. The general sense of "to examine closely" dates from 1809; the psychological sense is by 1909. Related: Analyzed; analyzing.
by 1914 as "to subject to psychoanalysis," short for psychoanalyze. From 1934 as "to outsmart" (also psych out), and by 1952 in bridge as "make a bid meant to deceive an opponent." From 1963 as "to unnerve." However to psych (oneself) up is from 1972; to be psyched up "stimulate (oneself), prepare mentally for a special effort" is attested from 1968.
<a href="https://www.etymonline.com/word/psychoanalyze">Etymology of psychoanalyze by etymonline</a>
Harper, D. (n.d.). Etymology of psychoanalyze. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/psychoanalyze