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：pung-, punc-, punct-

【来源及含义】Latin: pungere, punctum to strike, to hit, to punch, to pierce, to puncture, to point, to sting, to bite; a dot, a mark; a point, a sharp point, a pinpoint

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acies- (not "sour"); acuto- (not "sour"); oxy-.

【同源单词】acupoint, acupunctuate, acupunctuation, acupuncturation, acupuncture, acupuncture