What Is the Origin of the Saying "The Bitter End"?

means the very end.is a nautical term. The bitt end (or bitter end) refers to the final part of the anchor rope near to where the rope is fixed to the ship’s deck. Usually marked with coloured rags, thegets its name from the bollards (or bitts) on the deck to which the anchor rope was tied. When the sailors lowering the anchor came across the rags on the, they knew there was no more rope left, meaning the water was too deep to set anchor. To gomeans to go to the very end (i.e., right to end last few yards of the anchor rope).