Where does “vrhnout” come from?

vrhnout (Czech) comes from Old Czech vrhnúti, from Proto-Slavic vьrgnǫti, from Proto-Indo-European wergʷ-, from Proto-Indo-European h₂werg- — to turn.

Ancestry of “vrhnout”, step by step

Step	Language	Word	Meaning
1	Old Czech	vrhnúti	—
2	Proto-Slavic	vьrgnǫti	to throw
3	Proto-Indo-European	wergʷ-	to cast
4	Proto-Indo-European	h₂werg-	to turn

Every word from Proto-Indo-European h₂werg- →

vrhnout — Etymology, Origin & Word History | Etymology Explorer