Etymology

aerospace

ae·ro·space
A1E1R1O1S1P3A1C3E1

Today it means: The atmosphere of the Earth and the region of space around it. Full definition →

English space ← Middle English space ← Anglo-Norman space
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The story

  1. Proto-Indo-European*h₂ews-
  2. Proto-Indo-European*h₂ewsér
  3. Proto-Hellenic*auhḗr
  4. Ancient Greekᾱ̓ήρ (āḗr)
  5. Ancient Greekἀέρος (aéros)
  6. Englishaero-
  7. Latinspatium
  8. Old Frenchespace
  9. Anglo-Normanspace
  10. Middle Englishspace
  11. Englishspace
  12. English todayaerospace

From aero- + space.

Etymology from Wiktionary, CC BY-SA 4.0.