Where does “обвалить” come from?

обвалить (Russian) comes from Russian вали́ть — to fell, to throw down, to cause to fall; to...

Ancestry of “обвалить”, step by step

Step	Language	Word	Meaning
1	Russian	вали́ть	to fell, to throw down, to cause to fall; to...

обвалить — Etymology, Origin & Word History | Etymology Explorer