of or relating to Urartu, its people, or their language.
Origin of Urartian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for urartian
These are, however, supplemented by the Urartian inscriptions.
The city appears to have opened its gates to him although it was in the kingdom of Mati-ilu, who acknowledged Urartian sway.