Involution (noun)

1. The process or act of involving or wrapping up.
2. The process of becoming more complicated or involved.
3. A mathematical function that describes the process of taking a function and finding another function that is its inverse.

Origin:

Derived from the latin word 'involutio' meaning a rolling up or wrapping up.

Examples:

1. The involution of events had become too confusing for her to follow.
2. The involution of the economy has created a complex system that is difficult to understand.
3. The process of finding the involution of a function is a central topic in calculus.
4. The involution of the scandal was a slow and deliberate process.
5. The involution of the mystery was the result of careful detective work.