Etymology

interstellar

I1N1T1E1R1S1T1E1L1L1A1R1

Today it means: Between the stars. Full definition →

English stellar ← Latin stēllāris ← Proto-Italic *stērlā
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininter
  5. Latininter-
  6. Englishinter-
  7. Proto-Indo-European*h₂eHs-
  8. Proto-Indo-European*h₂stḗr
  9. Proto-Italic*stērlā
  10. Latinstēlla
  11. Latinstēllāris
  12. Englishstellar
  13. English todayinterstellar

From inter- + stellar.

Etymology from Wiktionary, CC BY-SA 4.0.