Rŭbi, ōrum, m.,
I a town in Apulia , now Ruvo , Hor. S. 1, 5, 94.
II —Hence, Rŭbustī-ni , ōrum, m., the inhabitants of Rubi , Plin. 3, 11, 16, § 105; Front. Colon. p. 127 Goes.
RUBI(Eth. Ῥυβαστεινός, Rubastinus: Ruvo), a city of Apulia, situated on the branch of the Appian Way...
Dictionary of Greek and Roman Geography