Without looking further, I would say it's because elements bubble up as they're sorted. Edit: Wikipedia [1] seems to agree: The algorithm, which is a comp

Without looking further, I would say it's because elements bubble up as they're sorted. Edit: Wikipedia [1] seems to agree: The algorithm, which is a comparison sort, is named for the way smaller or larger elements "bubble" to the top of the list. [1] https://en.wikipedia.org/wiki/Bubble_sort https://en.wikipedia.org/wiki/Bubble_sort