Etymology

photoaccumulation

Today it means: accumulation (of cells) in the presence of light (typically as part of a circadian rhythm) Full definition →

English accumulation ← Middle English acumulacyon ← Latin accumulātiō
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The story

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Proto-Indo-European*h₂éd
  9. Proto-Italic*ad
  10. Proto-Italic*ad-
  11. Latinad-
  12. Proto-Indo-European*ḱewh₁-
  13. Proto-Indo-European*ḱuh₁mósder.?
  14. Latincumulus
  15. Latincumulō
  16. Latinaccumulō
  17. Latinaccumulātiō
  18. Middle Frenchaccumulation
  19. Latinaccumulātiō
  20. Middle Englishacumulacyon
  21. Englishaccumulation
  22. English todayphotoaccumulation

From photo- + accumulation.

Etymology from Wiktionary, CC BY-SA 4.0.