Etymology

deworm

D2E1W4O1R1M3

Today it means: To cause (an animal) to excrete any worms in the digestive tract by the administration of drugs. Full definition →

English worm ← Middle English worm ← Old English wyrm
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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. Englishde-
  7. Proto-Germanic*wurmiz
  8. Proto-West Germanic*wurmi
  9. Old Englishwyrm
  10. Middle Englishworm
  11. Englishworm
  12. English todaydeworm

From de- + worm.

Etymology from Wiktionary, CC BY-SA 4.0.