Etymology

astrobiologist

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Today it means: A biologist whose speciality is astrobiology. Full definition →

English biologist ← Ancient Greek ᾰ̓́στρον (ắstron) ← Proto-Hellenic *astḗr
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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. Englishbiologist
  8. English todayastrobiologist

From astro- + biologist.

Etymology from Wiktionary, CC BY-SA 4.0.