What does "knish" mean?

An Eastern European Jewish, or Yiddish, snack food consisting of a dumpling covered with a shell of baked or fried dough

Knish

Common synonyms include: ethnic snack, pastry, savory pastry, street food, stuffed pastry, traditional dish.

/kəˈnɪʃ/ noun

noun ·Rare ·Advanced level

Noun

1
An Eastern European Jewish, or Yiddish, snack food consisting of a dumpling covered with a shell of baked or fried dough
2
(Yiddish) a baked or fried turnover filled with potato or meat or cheese; often eaten as a snack wordnet

"For me, a potato knish, please."

Borrowed from Yiddish קניש (knish), from Polish knysz and Ukrainian книш (knyš).