What does prefix dyna mean?

The prefix "dyna" comes from the Greek word "dynamis", meaning power or strength. It's often used in words related to force, energy, or movement.

Here are some examples:

* Dynamic: Characterized by continuous change or movement.

* Dynamo: A powerful generator of electricity.

* Dynamite: A powerful explosive.

* Dynamics: The study of forces and their effects.

So, when you see "dyna" in a word, it usually signifies something potent or having a significant impact.