Noun that refers to a chain sequence
I favour ontogeny
Wikipedia
Or ontogeny = the entire sequence of events involved in the development of an individual organism
Collins dictionary
"Psychodynamics, also known as psychodynamic psychology, in its broadest sense, is an approach to psychology that emphasizes systematic study of the psychological forces that underlie human behavior, feelings, and emotions and how they might relate to early experience."
https://en.wikipedia.org/wiki/Psychodynamics