Etymology

petrology

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Today it means: The study of the origin, composition and structure of rock. Full definition →

Ancient Greek λόγος (lógos) ← Proto-Hellenic *lógos ← Proto-Indo-European *lóǵos
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The story

  1. Ancient Greekπέτρᾱ (pétrā)
  2. Latinpetra
  3. Englishpetro-
  4. Proto-Indo-European*leǵ-
  5. Proto-Indo-European*lóǵos
  6. Proto-Hellenic*lógos
  7. Ancient Greekλόγος (lógos)
  8. English todaypetrology

From petro- + -logy.

Etymology from Wiktionary, CC BY-SA 4.0.