What does the prefix arthro mean?

The prefix "arthro" comes from the Greek word "ἄρθρον" (árthron), which means joint.

It is commonly used in medical and biological terms to refer to joints, particularly in the context of the skeletal system.

Here are some examples:

* Arthritis: Inflammation of a joint.

* Arthroscope: A surgical instrument used to view the inside of a joint.

* Arthropod: An invertebrate animal with jointed legs (e.g., insects, spiders, crustaceans).