Where does “затворъ” come from?

затворъ (Old Church Slavonic) comes from Old Church Slavonic творъ, from Proto-Slavic tvorъ, from Proto-Balto-Slavic twor(ʔ)-o, from Proto-Indo-European tworH-o-.

затворъ (Old Church Slavonic): bolt for closing a door

Definitions

  1. bolt for closing a door

Ancestry of “затворъ”, step by step

затворъ traces back through two separate lines of ancestry.

via Old Church Slavonic творъ

StepLanguageWordMeaning
1Old Church Slavonicтворъcreation
2Proto-Slavictvorъcreation, creature
3Proto-Balto-Slavictwor(ʔ)-o—
4Proto-Indo-EuropeantworH-o-—

via Old Church Slavonic за

StepLanguageWordMeaning
1Old Church Slavonicза—
Every word from Proto-Indo-European tworH-o- →Every word from Proto-Balto-Slavic twor(ʔ)-o →Every word from Proto-Slavic tvorъ →