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Grimaldian

[gri-mahl-dee-uh n, -mawl-]
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adjective
  1. of, relating to, or characteristic of an Upper Paleolithic cultural epoch in northwestern Italy.

Origin of Grimaldian

1930–35; after the Grimaldi caves, Italy + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018