Etymology

photoemission

P3H4O1T1O1E1M3I1S1S1I1O1N1

Today it means: the ejection of electrons from the surface of a solid by incident electromagnetic radiation Full definition →

English emission ← Middle French émission ← Latin ēmissiō
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. Latinēmittō
  9. Latinēmissiō
  10. Middle Frenchémission
  11. Englishemission
  12. English todayphotoemission

From photo- + emission.

Etymology from Wiktionary, CC BY-SA 4.0.