KETCHUP  , also written catsup and katchup (said to be from the

Chinese koe-chiap or kee tsiap, brine of pickled fish), a sauce or relish prepared principally from the juice of mushrooms and of many other species of edible fungi, salted for preservation and variously spiced . The juices of various fruits, such as cucumbers,.tomatoes, and especially green walnuts, are used as a basis of ketchup, and shell-fish ketchup, from oysters, mussels and cockles, is also made; but in general the term is restricted to sauces having the juice of edible fungi as their basis .