Etymology

counterillumination

Today it means: A behaviour, found in some cephalopods etc., in which bioluminescence is used to provide camouflage when viewed from below. Full definition →

English illumination ← Middle English counter- ← Anglo-Norman countre-
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Proto-Italic*komteros
  6. Proto-Italic*komterād
  7. Latincontrā
  8. Old Frenchcontre-
  9. Anglo-Normancountre-
  10. Middle Englishcounter-
  11. Englishcounter-
  12. Englishillumination
  13. English todaycounterillumination

From counter- + illumination.

Etymology from Wiktionary, CC BY-SA 4.0.