French word menteur comes from French -eur, French mentir (To lie (say something untrue).)
| Dictionary entry | Language | Definition |
|---|---|---|
| -eur | French (fra) | Used to form abstract nouns from adjectives; -ness.. Used to form agent nouns from verbs. |
| mentir | French (fra) | To lie (say something untrue). |
| menterre | Old French (fro) | |
| menteur | Middle French (frm) | Liar (one who tells lies). |
| menteur | French (fra) | Bluffer. Liar (one who tells lies). |