Etymology

norovirus

no·ro·vi·rus
N1O1R1O1V4I1R1U1S1

Today it means: Norovirus, the genus of Norwalk virus, which causes gastric distress in humans. Full definition →

English virus ← Middle English virus ← Latin vīrus
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The story

  1. EnglishNor(walk)
  2. Proto-Indo-European*weys-
  3. Proto-Indo-European*wisós
  4. Proto-Italic*weizos
  5. Latinvīrus
  6. Middle Englishvirus
  7. Englishvirus
  8. English todaynorovirus

From Nor(walk) + -o- + virus.

Etymology from Wiktionary, CC BY-SA 4.0.