French word proprement comes from French propre, French -ment
| Dictionary entry | Language | Definition |
|---|---|---|
| propre | French (fra) | (before a noun) own. (followed by the preposition à) proper to, specific to, particular to. (mathematics) eigen-. Clean. House-trained. |
| -ment | French (fra) | Used to form adverbs (from the feminine form of an adjective), most of the time equivalent to the English -wise, -ly. Used to form nouns from verbs, usually of action or state resulting of them. Equivalent to the English -ment. |
| proprement | French (fra) | Cleanly (in a way which is not dirty). |