Etymology

photographometer

Today it means: An instrument for determining the sensibility of the plates employed in photographic processes to luminous rays. Full definition →

Ancient Greek μέτρον (métron) ← Proto-Indo-European *meh₁- ← English photograph
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. Proto-Indo-European*gerbʰ-
  9. Proto-Hellenic*grə́pʰō
  10. Ancient Greekγράφω (gráphō)
  11. Englishphotograph
  12. Proto-Indo-European*med-
  13. Proto-Indo-European*meh₁-
  14. Ancient Greekμέτρον (métron)
  15. English todayphotographometer

From photograph + -o- + -meter.

Etymology from Wiktionary, CC BY-SA 4.0.