" Anatomy . Articulation (of bones), specifically by a joint which permits movement; an instance of this; a joint of this kind. Compare earlier diarthrosis, enarthrosis, synarthrosis. Now rare", Mid 17th cent.; earliest use found in Nicholas Culpeper (1616–1654), physician and astrologer. From post-classical Latin arthrosis from Hellenistic Greek ἄρθρωσις compact connection, articulation (of speech) from ancient Greek ἀρθροῦν to utter distinctly, (passive) to be jointed (from ἄρθρον joint: see arthro-) + -ωσις.[arthrosis etymology, arthrosis origin, 英语词源]