What hypothesis about Yiddish has been widely rejected?
Derived from Judaeo-Slavic
Derived from Martian
Derived from Proto-Indo-European
Derived from Ancient Egyptian
Answer
Derived from Judaeo-Slavic, a hypothesis about Yiddish's origins, has been widely rejected. Instead, it is now widely accepted that Yiddish evolved from Middle High German, with influences from Hebrew and Slavic languages.
Unlocking Language Mysteries: The Paul Wexler Linguistic Challenge