Etymology

interannual

I1N1T1E1R1A1N1N1U1A1L1

Today it means: Occurring between years, or from one year to the next Full definition →

English annual ← Middle English annuel ← Middle French annue
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininter
  5. Latininter-
  6. Englishinter-
  7. Proto-Indo-European*h₂et-
  8. Proto-Indo-European*h₂etnós
  9. Proto-Italic*atnos?
  10. Latinannus
  11. Latinannuus
  12. Proto-Indo-European*h₂el-
  13. Proto-Indo-European*h₂élisder.?
  14. Latinannuālis
  15. Anglo-Normananue
  16. Old Frenchanuel
  17. Middle Frenchannue
  18. Middle Englishannuel
  19. Englishannual
  20. English todayinterannual

From inter- + annual.

Etymology from Wiktionary, CC BY-SA 4.0.