Etymology

photoaddition

P3H4O1T1O1A1D2D2I1T1I1O1N1

Today it means: Any bimolecular addition reaction that takes place under the influence of light Full definition →

English addition ← Middle English addicioun ← Old French adition
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

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. Latinadditiō
  9. Old Frenchadition
  10. Middle Englishaddicioun
  11. Englishaddition
  12. English todayphotoaddition

From photo- + addition.

Etymology from Wiktionary, CC BY-SA 4.0.