lumbago
noun/lʌmˈbeɪɡəʊ/
/lʌmˈbeɪɡəʊ/
[uncountable]- pain in the muscles and joints of the lower backWord Originlate 17th cent.: from Latin, from lumbus ‘loin’.
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lumbago
Definition of lumbago noun from the Oxford Advanced Learner's Dictionary