Is there a root word in the psychologist?

Yes, the root word in "psychologist" is "psyche," which comes from the Greek word "ψυχή" (psȳkhē).

Here's the breakdown:

* "psyche" refers to the mind, soul, or spirit.

* "-ologist" is a suffix indicating someone who studies or specializes in a particular field.

Therefore, a psychologist is someone who studies and specializes in the mind, soul, or spirit.