Etymology

Cosa Nostra

Today it means: The Sicilian Mafia. Full definition →

Sicilian Cosa nostra
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Sicilian · borrowed fromCosa nostra
  2. English todayCosa Nostra

Borrowed from Italian and Sicilian Cosa nostra (literally “our thing”).

Etymology from Wiktionary, CC BY-SA 4.0.