Origin: Greek suffix -ist
Psychologist has 2 different meanings across 1 category:
a scientist trained in psychology
"The psychologist conducted extensive experiments to study human memory patterns."
An expert in the field of psychology.
"The psychologist analyzed the patient's behavior to understand the underlying causes of their anxiety."
In plain English: A psychologist is someone who studies how people think and feel to help them solve problems with their minds.
"The psychologist helped me understand why I felt so anxious before big meetings."
The word psychologist comes from combining the root of psychology with the suffix "-ist," which denotes a practitioner or specialist. It was first used to describe someone who studies the mind and behavior professionally.