This is the 19093rd most frequent Korean word.
아이도
"아이도" means "child too" or "even a child" in English, depending on context.
Here, '아이도' (아이 + 도) means 'children too', indicating that the book is suitable for children as well as others.
이 책은 아이도 읽을 수 있습니다.
This book can also be read by children.
In this sentence, '아이도' references the egalitarian inclusivity of children within the statement using '도' for 'also'.
아이도 항상 필요한 것을 챙겨야 해요.
Children also always need to take what they need.
Here, '아이도' emphasizes that dreaming big is accessible for children, just as it might be for others in different contexts.