preadolescence
nounEtymology From pre- + adolescence.
1
The period between childhood and adolescence, between the ages of about nine and eleven for girls, and ten and twelve for boys.
- Jojo gains what Pop’s lost of his bearing. First, a brace across his thighs, all the bowlegged softness of his preadolescence dissolved to a granite stance.2017, Jesmyn Ward, Sing, Unburied, Sing, Bloomsbury Circus, page 270: