Etymology

photoadsorption

P3H4O1T1O1A1D2S1O1R1P3T1I1O1N1

Today it means: An increase in the adsorption of a substance at an interface in the presence of light. Full definition →

English adsorption ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos
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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. Englishadsorption
  9. English todayphotoadsorption

From photo- + adsorption.

Etymology from Wiktionary, CC BY-SA 4.0.