Where does “млекце” come from?

млекце (Bulgarian) comes from Bulgarian мляко, from Old Church Slavonic млѣко, from Proto-Slavic melko, from Proto-Germanic meluks, from Proto-Indo-European h₂melǵ- — to milk; milk.

Ancestry of “млекце”, step by step

StepLanguageWordMeaning
1Bulgarianмлякоmilk
2Old Church Slavonicмлѣкоmilk
3Proto-Slavicmelkomilk
4Proto-Germanicmeluksmilk
5Proto-Indo-Europeanh₂melǵ-to milk; milk
Every word from Proto-Indo-European h₂melǵ- →Every word from Proto-Germanic meluks →Every word from Proto-Slavic melko →