What does nu elck syn sin mean in English?

The phrase "nu elck syn sin" appears to be a mispelling or a nonsensical string of letters. It does not appear to be a coherent phrase in any language, including English.

It's possible that:

* There's a typo: Check for any spelling errors.

* It's a code or cipher: If you're looking for a specific translation, more context is needed.

* It's a fictional language: Maybe it's a made-up language from a book or game.

Please provide more information, like the source or the context in which you encountered this phrase, so I can assist you better.