Etymology

interdecadal

I1N1T1E1R1D2E1C3A1D2A1L1

Today it means: Between decades; occurring over more than one decade. Full definition →

English decadal ← Latin inter- ← Proto-Italic *n̥ter
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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. Englishdecadal
  8. English todayinterdecadal

From inter- + decadal.

Etymology from Wiktionary, CC BY-SA 4.0.