Save Gender Feminine Usage Bulgarian Scripts Радина(Bulgarian) Meaning & History Derived from the Slavic element radŭ meaning "happy, willing". Related NamesFamily Tree·Details RootradŭVariantsRadka, Raina, Rayna, RadaMasculine FormsRadko, Rayko, RaynoOther Languages & CulturesRadojka(Croatian) Radka(Czech) Rada, Radinka, Radojka(Serbian) Categories emotions, ends in -ina, feelings, happiness