Where does “bljeskati” come from?
bljeskati (Serbo-Croatian) comes from Serbo-Croatian blijȇsak, from Proto-Slavic blěskъ, from Proto-Balto-Slavic blaiskas, from Proto-Indo-European bʰloyǵskos, from Proto-Indo-European bʰleyǵ- — to shine.
Ancestry of “bljeskati”, step by step