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").
"one who or that which imparts motion," mid-15c., "controller, prime mover (in reference to God);" from Late Latin motor, literally "mover," agent noun from past-participle stem of Latin movere "to move" (from PIE root *meue- "to push away"). Sense of "agent or force that produces mechanical motion" is first recorded 1660s; that of "machine that supplies motive power" is from 1856. Motor-home is by 1966. Motor-scooter is from 1919. First record of slang motor-mouth "fast-talking person" is from 1970.
<a href="https://www.etymonline.com/word/psychomotor">Etymology of psychomotor by etymonline</a>
Harper, D. (n.d.). Etymology of psychomotor. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/psychomotor