Lumbago

Chamber's Twientieth Century Dictionary · 1908 · p. 61

lum-bā′gō, n. a rheumatic affection of the muscles or fibrous ti ues in the lumbar region.— adjs. Lumbag′inous ; Lum′bar , Lum′bal , pertaining to, or near, the loins. [L.,— lumbus , loin.]