Tome (noun)

A large, heavy book, especially one that is scholarly or technical in nature.

Origin:

The word "tome" comes from the latin word "tomus" which means a cut, a section or a volume. it is first recorded in english in the 14th century.

Examples:

1. The library's reference section was filled with tomes on various subjects.
2. The professor assigned several tomes for the semester's reading.
3. I bought a tome on the history of art.
4. He was carrying a tome under his arm.
5. She spent the weekend reading a tome on the Civil War.