Etymology

omnibus

om·ni·bus
O1M3N1I1B3U1S1

Today it means: A bus (vehicle for transporting large numbers of people along roads). Full definition →

French omnibus ← Latin omnibu ← Proto-Italic *opnis
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The story

  1. Proto-Indo-European*h₃ep-
  2. Proto-Italic*opnis
  3. Latinomnis
  4. Latinomnibu
  5. Frenchomnibus
  6. English todayomnibus

Borrowed from French (voiture) omnibus (“(carriage) for all”), from Latin omnibus (“for all”), dative plural of omnis (“all”).

Etymology from Wiktionary, CC BY-SA 4.0.