Etymology of the French word bonheur
the French word
bonheurderived from the Old French word
bonderived from the Medieval Latin word
bonus (good; good, honest, brave; good, moral, honest)
derived from the Proto-Indo-European root
*deu-derived from the French word
heurDate
The earliest known usage of bonheur in French dates from the 12th century.
Derivations in French
porte-bonheur