Where does “Rutuba” come from?

Rutuba (Latin) comes from Latin rutuba, from Latin turba, from Ancient Greek τύρβη, from Proto-Indo-European twerH- — to enclose, fence in; to grab, seize; to stir.

Rutuba (Latin): now Roia

Definitions

now Roia

Ancestry of “Rutuba”, step by step

Step	Language	Word	Meaning
1	Latin	rutuba	confusion, turmoil
2	Latin	turba	stir, disturbance, tumult, uproar, trouble; mob,...
3	Ancient Greek	τύρβη	disorder, confusion, tumult; poetic rout, revelry
4	Proto-Indo-European	twerH-	to enclose, fence in; to grab, seize; to stir

Every word from Proto-Indo-European twerH- →Every word from Ancient Greek τύρβη →Every word from Latin turba →