Where does “rog” come from?

rog (Romanian) comes from Romanian ruga, from Latin rogare, from Latin rogo, from Proto-Indo-European h₃roǵ-, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

rog (Romanian): first-person singular present indicative of ruga;...

Definitions

first-person singular present indicative of ruga;...

Ancestry of “rog”, step by step

Step	Language	Word	Meaning
1	Romanian	ruga	to ask; to pray; to beg, implore
2	Latin	rogare	present active infinitive of rogō; second-person...
3	Latin	rogo	I ask, enquire; I request; I pray to for
4	Proto-Indo-European	h₃roǵ-	—
5	Proto-Indo-European	h₃reǵ-	to straighten, to right oneself; right; just

Every word from Proto-Indo-European h₃reǵ- →Every word from Proto-Indo-European h₃roǵ- →Every word from Latin rogo →