Where does “nepovratno” come from?
nepovratno (Serbo-Croatian) comes from Serbo-Croatian nȅpovrātan, from Serbo-Croatian povrátiti, from Serbo-Croatian vrátiti, from Proto-Slavic vōrtìti, from Proto-Balto-Slavic wártīˀtei, from Proto-Indo-European wortéyeti, from Proto-Indo-European wert-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.
nepovratno (Serbo-Croatian): irretrievably
Ancestry of “nepovratno”, step by step