Definitions for knishknɪʃ
Random House Webster's College Dictionary
a baked turnover filled usu. with potatoes, kasha, or meat.
Origin of knish:
1925–30; < Yiddish < Pol knysz
(Yiddish) a baked or fried turnover filled with potato or meat or cheese; often eaten as a snack
An Eastern European Jewish, or Yiddish, snack food consisting of a dumpling covered with a shell of baked or fried dough
Origin: From the קניש, from the and книш, from Turkic.