Where does “неповратно” come from?
неповратно (Serbo-Croatian) comes from Serbo-Croatian не̏повра̄тан, from Serbo-Croatian повра́тити, from Serbo-Croatian вра́тити, 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.
неповратно (Serbo-Croatian): irretrievably
Ancestry of “неповратно”, step by step