Where does “Rugăria” come from?

Rugăria (Romanian) comes from Romanian rugărie, from Romanian rug, from Latin rubus, from Proto-Italic wruðos, from Proto-Indo-European wr̥dʰo- — sweetbriar.

Ancestry of “Rugăria”, step by step

Step	Language	Word	Meaning
1	Romanian	rugărie	bramble shrub
2	Romanian	rug	pyre; bramble
3	Latin	rubus	bramble, blackberry bush
4	Proto-Italic	wruðos	—
5	Proto-Indo-European	wr̥dʰo-	sweetbriar

Every word from Proto-Indo-European wr̥dʰo- →