This is the 14838th most frequent Russian word.
поверье
A folk belief or superstition.
The noun 'поверье' is used here in its nominative singular form to mean 'belief' or 'superstition', expressing a traditional notion.
Существует старинное поверье о том, что найти подкову приносит удачу.
There is an old belief that finding a horseshoe brings good luck.
The prepositional form 'по народному поверью' utilizes 'поверье' to indicate 'according to folk belief', emphasizing its cultural context.
По народному поверью, свистеть внутри дома приводит к потере денег.
According to folk belief, whistling inside a house leads to a loss of money.
The noun 'поверье' is in the accusative singular form here, referring to a traditional belief or folklore connected with mirrors.