Where does “Miloš” come from?

Miloš (Czech) comes from Czech milý, from Hungarian mily, from Proto-Slavic milъ, from Proto-Balto-Slavic meiʔlos, from Proto-Indo-European meyl-.

Ancestry of “Miloš”, step by step

StepLanguageWordMeaning
1Czechmilýkind; dear
2Hungarianmilywhat?, what kind of?, what like?
3Proto-Slavicmilъdear, nice, gentle, mild, soft, pleasant, polite
4Proto-Balto-Slavicmeiʔlos—
5Proto-Indo-Europeanmeyl-—
Every word from Proto-Indo-European meyl- →Every word from Proto-Balto-Slavic meiʔlos →Every word from Proto-Slavic milъ →