名詞 lumbago:

1. backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
   同義詞：lumbar pain

1. I'm having treatment for my lumbago.
   我腰痛正在治療中。

lum.ba.go

n.（名詞）
A painful condition of the lower back, as one resulting from muscle strain or a slipped disk.
腰痛：背部下部的疼痛狀態(tài)，就象由于肌肉緊張或脫臼引起的疼痛

來源：
Late Latin lumb3gô
后期拉丁語 lumb3gô
from Latin lumbus [loin]
源自 拉丁語 lumbus [腰，腰部]