Lumbago (noun)

A type of lower back pain that is usually caused by muscle strain or spasm.

Origin:

From the latin word "lumbus" meaning "loin".

Examples:

1. He suffers from frequent bouts of lumbago.
2. She was diagnosed with lumbago and was prescribed physical therapy.
3. The doctor recommended rest and pain medication for the lumbago.
4. The patient's lumbago was caused by a herniated disc.
5. The lumbago was relieved after a few days of taking anti-inflammatory medication.