Webster's Revised Unabridged Dictionary · 1913

Hallstatt

Hallstatt (hal"stat; -shtat) , adjective

Of or pertaining to Hallstatt, Austria, or the Hallstatt civilization.
The Hallstattian civilization flourished chiefly in Carinthia, southern Germany, Switzerland, Bohemia, Silesia, Bosnia, the southeast of France, and southern Italy. — J. Deniker

Also: Hallstattian