Why is the species of kangaroos called Macropods?

The Word "macropod" is a Greek Word meaning long-footed.A macropod is a marsupial with powerful hind legs and long hind feet. These animals tend to use hopping and jumping as their main means of locomotion (movement). This group includes marsupials found in Australia, such as kangaroos, wallabies, tree-kangaroos, pademelons, quokkas and several others.