* A misspelling of a different word: It's possible you meant a similar-sounding word like "endor" or "nether."
* A foreign word: "Nedor" might be a word from another language. If you could provide more context about where you encountered the word, I might be able to help you find its meaning.
* A fictional word: It could be a made-up word, perhaps from a book, game, or other fictional context.
Please provide more information so I can help you find the meaning of "nedor."