Etymology

improsperous

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Today it means: not prosperous Full definition →

English prosperous ← Latin im- ← Proto-Italic *n̥-
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Italic*n̥-
  4. Latinin-
  5. Latinim-
  6. Englishim-
  7. Englishprosperous
  8. English todayimprosperous

From im- + prosperous.

Etymology from Wiktionary, CC BY-SA 4.0.