词根词缀：lumb-, lumbo-
【来源及含义】Latin: loin; by extension, the lower back
【相关词根词缀】 Word families with similar applications: "back, backside" word units: dorso- (back, on the back); nuch- (nape of the neck); pygo- (rump, rear end, back side).
【同源单词】ascending lumbar vein, iliolumbar vein, ischemic lumbago, lumbago, lumbal, lumbar
词根词缀：plumb-, plumbo-, plumbi-
【来源及含义】Latin: lead, the metal; Pb