веднъж

Etymology
Derived from the same source as 16th century Eastern Church Slavonic, given as in the Bulgarian Etymological Dictionary and derived from  (feminine accusative singular of ) + a form of 🇨🇬, past active participle of.

Adverb

 * 1) once, one time
 * 2) once, once upon a time
 * 1) once, once upon a time