* Is a misspelling: It might be a typo of a different word. Can you provide more context about where you saw this word?
* Is a regional dialect word: It could be a word used in a specific region or language that is not widely known.
* Is a made-up word: It could be a fictional word or a term invented for a specific purpose.
Please provide more context, such as the sentence where you saw it, or the language it's from, so I can try to understand what "roudeste" means.