Lewis Short
(adj.adj.adj.) : Tarbelli, ōrum, m.
* A people in Aquitanian Gaul, extending southwards from Burdigala to the Pyrenees, in the neighborhood of the mod. Dax, Caes. B. G. 3, 27; Plin. 4, 19, 33, § 108; 31, 2, 2, § 4.—Hence
* Tarbellus, a, um, adj., Tarbellian: Pyrene,Tib. 1, 7, 9: mater,Aus. Parent. 2, 2.
* Tarbellĭus, a, um, adj., Tarbellian: aequor,Luc. 1, 421.
* Tar-bellĭcus, a, um, adj., Tarbellian: Aturus,i. e. the river Adour,Aus. Mos. 468: arva,id. Ep. 24, 125: origo,id. Prof. 16, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary