Yiddish
Yiddish, historically Judeo-German, is a West Germanic language historically spoken by Ashkenazi Jews. It originated in 9th-century Central Europe, and provided the nascent Ashkenazi community with a vernacular based on High German fused with many elements taken from Hebrew and to some extent Aramaic. (Wikipedia)
Related
The Medieval Jewish Empire of Khazaria
This is a rather long episode with guest co-host Gerron telling the story of the medieval jewish...