Chalybes, A people in the lesse Asta, in the countrey called Põtus, which dig great plentie of yron, and go naked. It is also the name of a riuer in Spaine.
Lewis and Short: Latin dictionary
Chălbes, um, m., = *xa/lubes. I.A people in Pontus, noted for their mines and their preparation of steel [chalybs, hence the name; acc. to others, on the contr., steel, xa/luy, was named from them], Plin. 6, 4, 4, 11; 7, 56, 57, 197; Cat. 66, 48; Verg. G. 1, 58; id. A. 8, 421; 10, 174 al.—II.A tribe on the river Chalybs in Lusitania, Just. 44, 3, 9.