noun, noun which may take the genitive case particle 'no'
growth period; growing stage
Refers to the period when a child is growing rapidly, often with a nuance of healthy appetite and development. Commonly used in phrases like 育ち盛りの子ども.
My growing son eats a lot every day.
Children in their growth period need proper nutrition.
My growing son is always hungry.
My child is still at the peak growing age.