Note: According to DanielMovieMaker, Believix was renamed Ma'aminot. Here's his explanation -
Ma'aminot=Winx are believers..
HaWinx Ma'aminot=Winx believe
I hope it's clear,because the Hebrew grammar isn't like the Latin/Germanic/Slavic grammar..
Writer's Note: There were some spelling errors (because; grammar) in the above quote, which I fixed with my red pen. The rest of the quote remains the same.