Jerdyai - a Slavic spirit, an evil spirit, a monster wandering at night, peering into the windows, warming hands in a pipe and frightening people.
"The stout, from the pole - a predatory and prettin, staggers sometimes at night through the streets, looks through the windows, heats his hands in the pipe and frightens people." It's some pathetic rod that is condemned to wander around the world without any sense or position ... It's hard for him to question the meaning, but hardly believe it is not in connection with Koshchei Immortal, who, perhaps, here or there was granted a pole. To get rid of all these impure people, the people resort to fasting and prayer, to the water of God, to the candle taken in Friday with passions, which smoked a cross on a lintel in the door; to the same, in general, that should not put gates at midnight, or any hell to survive out of the house ... '