Where does “bona fides” come from?

bona fides (English) comes from Latin bona, from Latin bonus, from Old Latin duenos, from Proto-Italic dwenos, from Proto-Indo-European dew- — to show favour, revere; to fail, to lag, to be...

bona fides (English): sincerity, good faith; credentials that...

Definitions

  1. sincerity, good faith; credentials that...

Ancestry of “bona fides”, step by step

StepLanguageWordMeaning
1LatinbonaA good or brave woman
2Latinbonusgood, honest, brave, noble, kind, pleasant;...
3Old LatinduenosAlternative form of duonus
4Proto-Italicdwenosgood
5Proto-Indo-Europeandew-to show favour, revere; to fail, to lag, to be...
Every word from Proto-Indo-European dew- →Every word from Proto-Italic dwenos →Every word from Old Latin duenos →