shopping (n.)
1764, "act or practice of visiting shops," verbal noun from shop (v.). Meaning "goods that have been purchased" is from 1934. Shopping bag attested from 1886; shopping list from 1913.
mall (n.)
1737, "shaded walk serving as a promenade," generalized from The Mall, name of a broad, tree-lined promenade in St. James's Park, London (so called from 1670s, earlier Maill, 1640s), which was so called because it formerly was an open alley that was used to play pall-mall.