What are the origins of 'bona fides'?

Answer:

The phrase 'bona fides' originates in the ancient, classical Latin language of the ancient Romans. In the word by word translation, the adjective 'bona' means 'good'. The noun 'fides' means 'faith'. It best is known in its ablative form, 'bona fide', which means 'in good faith'.

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