Etymology

diatreme

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Today it means: A cone-shaped volcanic vent produced by the explosion of gas-filled magma. Full definition →

English dia- ← Ancient Greek δῐᾰ- (dĭă-) ← Proto-Indo-European *dwís
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*trísinflu.
  3. Proto-Indo-European*dwís
  4. Ancient Greekδιά (diá)
  5. Ancient Greekδῐᾰ- (dĭă-)
  6. Englishdia-
  7. English todaydiatreme

From dia- + -treme.

Etymology from Wiktionary, CC BY-SA 4.0.