Etymology

bona fides

Today it means: Sincerity, good faith. Full definition →

Latin bona
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Latin · derived frombona
  2. English todaybona fides

From Latin bona (nominative feminine singular of bonus (“good”)) + fidēs (“faith”).

Etymology from Wiktionary, CC BY-SA 4.0.