Schoolbag (noun)

A bag used by students to carry books, supplies, and other items to and from school.

Origin:

Derived from 'school' + 'bag'.

Examples:

1. The schoolbag was a staple of childhood, carrying textbooks, notebooks, and pencils.
2. I remembered the days when my schoolbag was so heavy I could barely lift it.
3. The schoolbag was a sign of the start of the new school year, with fresh supplies and a new schedule.
4. I chose a bright green schoolbag with lots of pockets to carry my things.
5. The schoolbag was a constant companion, following me from class to class throughout the day.