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There is no much extant record for the Judeo-Latin language. Leo Levi found some hebraisms a few epigraphs in Italy2
Other possible source for Judeo-Latin are loanwords in other languages, like in Sardiniancenabura [ken'abura] 'Friday' (from Latin cena pura) and caputanni, 'September', a literal translation of Rosh Ha-Shanah.
Judeo-Latin likely influenced not only the Judeo-Romance languages, but also the Yiddish language and Rotwelsch, through its posited daughter languages, Judeo-Italian, Shuadit and Zarphatic.
The historical relationships between the various Judeo-Romance languages is subject to debate, and are only tenuously demonstrable at best. These languages include: