Tritium
Tritĭum, ĭī, n. (Τρίτιον), ville de la Tarraconnaise : Plin. 3, 27.
TRITIUM
TRI´TIUMa town of the Autrigones, in Hispania Tarraconensis, in the jurisdiction of Clunia. (Plin. Nat. 3.3. s. 4; Itin. Ant. pp. 450, 454.) Variously identified with Carceda, Rodilla, and a place near Monasterio.
[T.H.D]