User blog comment:Eðkee/Reshaping Old English words, 1/@comment-31440310-20180110163820/@comment-31440310-20180110214542

Because the word for Jew was iude, and would then become Yude, and that the German word uses " ü " and Dutch uses "oo", it's safe to say it would be pronounced "OO", otherwise, it would have been spelt Yuddish.