The Navajo word ałk’ésdisí refers to something (a nominalized verb) that has been formed into a twist at either end.
This comes from the period that merchants and traders began to conduct business with the Diné. They brought not only essentials like flour, meat, and clothing, but also some extras like candy.
Ałk’ésdisí refers to candy. It’s hard to say whether all candies back in the day were twisted in shape, but many did have wrappers like today’s bubble gum or hard candies (like peppermints). Candy wrappers are twisted at both ends (or “twisted on top of each other”).
Today, ałk’ésdisí remains a colloquial term for all types of candy, even if they don’t have a twist to them.