Etymology

photoperiodic

P3H4O1T1O1P3E1R1I1O1D2I1C3

Today it means: Of, pertaining to, or exhibiting photoperiodism Full definition →

English periodic ← Latin per- ← Proto-Italic *peri-
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*per-der.?
  9. Proto-Indo-European*pér
  10. Proto-Italic*per
  11. Latinper
  12. Proto-Indo-European*per-
  13. Proto-Italic*peri-
  14. Latinper-
  15. Englishper-
  16. Englishiodic
  17. Englishperiodic
  18. English todayphotoperiodic

From photo- + periodic.

Etymology from Wiktionary, CC BY-SA 4.0.