Etymology

regretfully

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Today it means: In a regretful manner, with regret. Full definition →

English regretful ← Proto-Germanic *fullaz ← Proto-Indo-European *pl̥h₁nós
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The story

  1. Proto-Italic*wre-
  2. Latinre-
  3. Old Frenchre-
  4. Proto-Indo-European*ǵʰreh₁d-
  5. Proto-Germanic*grētaną
  6. Frankish*grātan
  7. Old French*greter
  8. Old Frenchregreter
  9. Middle Englishregretten
  10. Englishregret
  11. Proto-Indo-European*pleh₁-
  12. Proto-Indo-European*pl̥h₁nós
  13. Proto-Germanic*fullaz
  14. Englishregretful
  15. English todayregretfully

From regretful + -ly.

Etymology from Wiktionary, CC BY-SA 4.0.