Etymology

astrobiology

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Today it means: The study of life anywhere in the universe, including Earth. Full definition →

English biology ← New Latin biologia ← Ancient Greek λόγος (lógos)
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The story

  1. Proto-Indo-European*h₂eHs-
  2. Proto-Indo-European*h₂stḗr
  3. Proto-Hellenic*astḗr
  4. Ancient Greekἀστήρ (astḗr)
  5. Ancient Greekᾰ̓́στρον (ắstron)
  6. Englishastro-
  7. Proto-Indo-European*gʷeyh₃-
  8. Ancient Greekβίος (bíos)
  9. Proto-Indo-European*leǵ-
  10. Proto-Indo-European*lóǵos
  11. Proto-Hellenic*lógos
  12. Ancient Greekλόγος (lógos)
  13. New Latinbiologia
  14. Englishbiology
  15. English todayastrobiology

From astro- + biology.

Etymology from Wiktionary, CC BY-SA 4.0.