Where does “rъvàti” come from?

rъvàti (Proto-Slavic) comes from Proto-Indo-European Hrew- — to tear out, dig out, open, acquire.

Ancestry of “rъvàti”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	Hrew-	to tear out, dig out, open, acquire

rъvàti — Etymology, Origin & Word History | Etymology Explorer