1866 in reference to an Iron Age civilization of Europe, from the name of a village in Upper Austria, where implements from this period were found. The Germanic name is literally "place of salt," in reference to ancient salt mines there, which preserved the bodies of the original miners.
hallo
halloo
hallow
Halloween
hallows
Hallstatt
hallucinate
hallucination
hallucinatory
hallucinogen
hallucinogenic