kalach

noun1

1. •
   Traditional East Slavic bread shaped like a padlock or various kinds of wheels. Other Slavic nations have similar but not identical types of pastry, e.g. Czech or Slovak koláč/koláč, Polish kołacz, Bulgarian колач (kolač), Serbo-Croatian колач/kolač, etc.

   • [H]e used to roam about the town with his hands in his pockets, doing nothing, and casting looks at the stalls of the old women who sold kalachs which made them tremble. — 1892