arthritis

Etymology

From Latin, from Ancient Greek ἀρθρῖτις (arthrîtis, “joint-disease, gout”), from ἄρθρον (árthron, “a joint”). Surface analysis, arthr- + itis.

noun

1. Inflammation of a joint or joints causing pain and/or disability, swelling and stiffness, and due to various causes such as infection, trauma, degenerative changes or metabolic disorders.