French word rieur comes from French -eur, French rire (To laugh (de at, about) Laugh.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -eur | French (fra) | Used to form abstract nouns from adjectives; -ness.. Used to form agent nouns from verbs. |
| rire | French (fra) | To laugh (de at, about) Laugh. |
| rieur | French (fra) | Laugher (one that laughs). |