[3] Mummius was defeated in the ensuing battle with as many as 9,000 of his men dying, allowing the Lusitanians to regain their spoils and also capture many of the Romans' weapons and standards.
[4] In any case, Caesarus then paraded mockingly with the Roman standards through the Iberian peninsula, helping to provoke the Second Celtiberian War.
[1] It might derive from the word ksr, related to the Carthaginian god Kusor, or alternatively from kysr, translating as "elephant" (the same origin as the Roman surname and title Caesar).
[5][6] Departing from the Phoenician thesis, it might come as well from the Celtic language, more specifically the words gaesi ("valiant man") or gaesum ("iron dart"), similar to the Celtic-Germanic name Caesorix.
[6] The Spanish television series Hispania, La Leyenda (2010-2012) features Caesarus as the chief of Viriathus's home village.