The cornucopia, why is it a symbol of abundance?

It comes from the Latin meaning of cornu (horn) and copy (abundance) is for centuries a symbol of abundance; a horn with various grooves that contains varieties of fruits and vegetables, represents fertility and wealth with its origins in Greek mythology. There is an ancient legend that tells of Zeus saved by the goat Amaltea who feeds him in his cave to make him grow strong and healthy , Zeus one day breaks her horns and grew up decided to leave to conquer the throne of Olympus but had not forgotten the goat that had fed him so to thank...