Most writings portray the concept of adolescence as relatively recent in the history of civilization. However, the notion of adolescence has early roots in the scholarly works of the ancient Greeks For example, Plato and Aristotle recognized a hierarchy of developmental events and attached special significance to the growth of "reasoning" during the transitional period between childhood and adulthood. (excerpt from Handbook of Adolescent Psychology)
Handbook of adolescent psychology
Van Hasselt, V. B.
(1987). Historical Perspectives. Handbook of adolescent psychology, 3-12.
Available at: https://nsuworks.nova.edu/cps_facbooks/371