French douleur

← Old French dolor (inherited)

← Old French dolour (mention)

← Old French dolur (mention)

← Proto-Indo-European (inherited)

← Proto-Indo-European *delh₁- (mention)

← Proto-Italic *dolōs (inherited)

← Latin dolōrem (inherited)

← Latin dolor (mention)

→ English dolour (cognate)

→ French antidouleur (prefix)