Etymology

annualise

A1N1N1U1A1L1I1S1E1

Today it means: To express (a quantity such as an interest rate, profit, expenditure etc.) as if it applied or were measured over one year. Full definition →

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

  1. Proto-Indo-European*h₂et-
  2. Proto-Indo-European*h₂etnós
  3. Proto-Italic*atnos?
  4. Latinannus
  5. Latinannuus
  6. Proto-Indo-European*h₂el-
  7. Proto-Indo-European*h₂élisder.?
  8. Latinannuālis
  9. Anglo-Normananue
  10. Old Frenchanuel
  11. Middle Frenchannue
  12. Middle Englishannuel
  13. Englishannual
  14. English todayannualise

From annual + -ise.

Etymology from Wiktionary, CC BY-SA 4.0.