Where does “Каролеев” come from?

Каролеев (Bulgarian) comes from Romani kalo, from Sanskrit काल, from Proto-Turkic kār, from Proto-Iranian karah — fold, of time (during which an action or event happens).

Ancestry of “Каролеев”, step by step

StepLanguageWordMeaning
1Romanikaloblack
2Sanskritकालblack, dark blue; black, dark blue colour; pupil
3Proto-Turkickārsnow
4Proto-Iraniankarahfold, of time (during which an action or event happens)
Every word from Proto-Iranian karah →Every word from Proto-Turkic kār →Every word from Sanskrit काल →
Каролеев — Etymology, Origin & Word History | Etymology Explorer