proctosigmoidectomyWiktionary 原文英美构词拆解proctoprocto-前缀sigmoidsigmoid词干ectomy-ectomy后缀procto-Dealing with the rectum and anus; anorectal; sometimes also the distal colon.-ectomy(surgery) The surgical removal of.词源说明From procto- + sigmoid + -ectomy.释义名词noun1(surgery) The surgical removal of the rectum and sigmoid colon to treat serious disease in the lower large intestine.