millstone

From Middle English mylneston, milneston, from Old English mylenstān (“millstone”), from Proto-West Germanic mulīnu + stain; equivalent to mill + stone; cognate with Danish møllesten, Middle Dutch molensteen (modern Dutch molensteen), West Frisian molestien, Norwegian Bokmål møllestein, Old Saxon mulinstēn (Middle Low German mȫlenstēn), Old High German mulinstein, mülstein (Middle High German mülstein, modern German Mühlstein).