Etymology

dementedly

D2E1M3E1N1T1E1D2L1Y4

Today it means: In a demented manner. Full definition →

English demented ← Vulgar Latin dēmentō ← Latin dēmēns
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The story

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Proto-Indo-European*men-
  7. Proto-Indo-European*méntis
  8. Proto-Italic*mentis
  9. Latinmēns
  10. Latindēmēns
  11. Vulgar Latindēmentō
  12. Englishdement
  13. Englishdemented
  14. English todaydementedly

From demented + -ly.

Etymology from Wiktionary, CC BY-SA 4.0.