Meaning of the word "early childhood" in English

What does "early childhood" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

early childhood

US /ˈɜːrli ˈtʃaɪldhʊd/
UK /ˈɜːli ˈtʃaɪldhʊd/

Noun

the period of a person's life from birth to age eight, characterized by rapid physical, cognitive, and social development

Example:
Investing in early childhood education has long-term benefits for society.
Her research focuses on cognitive development during early childhood.