Etymology

photogelatin

P3H4O1T1O1G2E1L1A1T1I1N1

Today it means: gelatin, coated on a glass plate, that carries an image to be printed by the collotype process Full definition →

English gelatin ← 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. Englishgelatin
  9. English todayphotogelatin

From photo- + gelatin.

Etymology from Wiktionary, CC BY-SA 4.0.