Etymology

obsidian

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Today it means: A type of naturally occurring black glass produced by volcanoes. Full definition →

Latin obsidianus
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The story

  1. Latin · derived fromobsidianus
  2. English todayobsidian

From Latin obsidianus; named after Obsidius, who was, according to Pliny, the Roman who discovered the stone in Aethiopia.

Etymology from Wiktionary, CC BY-SA 4.0.