Psychopathology dates back to 1913
psychopathology is all about exploring problems related to mental health: how to understand them, how to classify them, and how to fix them. Because of this, the topic of psychopathology extends from research to treatment and covers every step in between Psychopathology: Definition, Types, and Diagnosis (verywellmind.com)
Abnormal vs Clinical vs Psychopathology
Abnormal = theoretical Clinical is applied Psychopathology casts a WIDER NET than Clinical Psychology, includes both Clinical Psychology and Abnormal Psychology Includes practitioners such as psychiatrists, counsellors, researchers, etc