Etymology

aerobeacon

A1E1R1O1B3E1A1C3O1N1

Today it means: A light used to warn aircraft away from tall structures. Full definition →

English beacon ← Ancient Greek ἀέρος (aéros) ← Proto-Hellenic *auhḗr
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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. Englishbeacon
  8. English todayaerobeacon

From aero- + beacon.

Etymology from Wiktionary, CC BY-SA 4.0.