Where does “Joško” come from?

Joško (Serbo-Croatian) comes from Serbo-Croatian Jòsip — Joseph.

Ancestry of “Joško”, step by step

StepLanguageWordMeaning
1Serbo-CroatianJòsipJoseph
Every word from Serbo-Croatian Jòsip
Joško — Etymology, Origin & Word History | Etymology Explorer