Etymology of the English word polyarticular
the English word polyarticular
using the English prefix poly-
derived from the English word articular
derived from the Latin word articularis (of, affecting the joints; arthritis)
derived from the Latin word articulus (joint; portion of limb, finger between joints; point of time)
derived from the Latin word artus (joint, articulatus, little joint; arm, leg, limb; close, firm, tight)
derived from the Latin word artus translation of Greek arthron
derived from the Proto-Indo-European root *ar-