Etymology

bonus

bo·nus
B3O1N1U1S1

Today it means: Something extra that is good; an added benefit. Full definition →

Latin bonus ← Old Latin duonus ← Proto-Italic *dwenos
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The story

  1. Proto-Indo-European*dewh₂-der.?
  2. Proto-Italic*dwenos
  3. Old Latinduonus
  4. Latinbonus
  5. English todaybonus

Borrowed from Latin bonus (“good”). Doublet of bona.

Words from the same roots

Latinbonus all →

bonniebonaboonbonnyboniformtoki pona

Etymology from Wiktionary, CC BY-SA 4.0.