Ma'anar ƙamus na "motsin hanji" yana nufin kawar da abubuwan sharar jiki daga tsarin narkewar abinci ta dubura da dubura. Yana da aikin jiki na halitta wanda ke faruwa lokacin da tsokoki a cikin tsarin narkewa suna yin kwangila don fitar da stool daga jiki. Har ila yau ana kiran motsin hanji da "zuwa banɗaki," "ciwon hanji," ko kuma kawai "zubawa."
