Etymology

pyroclast

P3Y4R1O1C3L1A1S1T1

Today it means: Solid matter ejected into the air by an active volcano. Full definition →

English clast ← Latin pyr ← Ancient Greek πῦρ (pûr)
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The story

  1. Proto-Indo-European*péh₂wr̥
  2. Proto-Hellenic*pāwər
  3. Ancient Greekπῦρ (pûr)
  4. Latinpyr
  5. Englishpyro-
  6. Englishclast
  7. English todaypyroclast

From pyro- + clast.

Etymology from Wiktionary, CC BY-SA 4.0.