If you were wondering, it got named "double u" when u and v were the same letter, V was used at the beginning of words and u ain the middle/end. It wasn't till much later they were seperated into 2 glyphs for different sounds.
Its because of staking mostly, but pvp more generally. The gmaul can kill almost instantly, but its high risk high reward since if you don't manage to get the instant KO you'll get out dps'd by more usual damage options.
Because its partially luck based people liked to use it to gamble in the Duel Arena, betting on the outcome.
Obligatory "Latine" is the preferred gender neutral term for spanish speakers because it actually follows the gendering rules of the language, rather than english speakers making shit up.
And that's why