The reason for calling a self balancing scooter as "Hoverboard" is that whereas riding, it looks like you are hovering a number of inches above the bottom....
Isizathu sokuba lidonsa self sekulinganisa isikuta ngokuthi "Hoverboard" wukuthi kuyilapho ugibele, kubukeka sengathi phezulu eziningana amayintshi ngenhla ngezansi.