Yiddish

noun

a language derived from Middle High German, spoken by East European Jews and their descendants in other countries: it is written in the Hebrew alphabet and contains vocabulary borrowings from Hebrew, Russian, Polish, English, etc.: abbrev. Yid or Yidd

Etymology: Yiddish yidish, for Ger jüdisch-(deutsch), Jewish-(German) < jüdisch, Jewish < Jude, a Jew < L Judaeus: see Jew

adjective

of or in this language