Where does “двери” come from?

двери (Bulgarian) comes from Proto-Slavic dvь̃rь, from Proto-Balto-Slavic dwírs, from Proto-Indo-European dʰwer- — door.

двери (Bulgarian): portals; Royal Doors

Definitions

  1. portals; Royal Doors

Ancestry of “двери”, step by step

StepLanguageWordMeaning
1Proto-Slavicdvь̃rьdoor
2Proto-Balto-Slavicdwírsdoor
3Proto-Indo-Europeandʰwer-door
Every word from Proto-Indo-European dʰwer- →Every word from Proto-Balto-Slavic dwírs →Every word from Proto-Slavic dvь̃rь →