Arthro-: A prefix meaning joint, as in arthropathy and arthroscopic. Before a vowel, it becomes arthr-, as in arthralgia and arthritis. From the Greek word arthron for joint. Ultimately from an Indo-European root meaning to join or to fit together.

What is the root word for Arthro?

Arthro- is a combining form used like a prefix meaning “joint” or “jointed.” It is often used in medical and scientific terms. Arthro- comes from the Greek árthron, meaning “a joint.” Related to arthro- and deriving from a Greek word based on árthron is arthritis, “acute or chronic inflammation of the joint.”

What does the suffix arthritis mean?

For example, the word arthritis is based on the Greek word arthron (joint) + the Greek ending itis (inflammation of).