Where does “зажещи” come from?

зажещи (Old Church Slavonic) comes from Old Church Slavonic жещи, from Proto-Slavic žeťi, from Proto-Slavic gegti, from Proto-Slavic degti, from Proto-Balto-Slavic degtéi, from Proto-Indo-European dʰégʷʰeti — to burn, to be burning.

зажещи (Old Church Slavonic): set on fire, ignite, burn

Definitions

  1. set on fire, ignite, burn

Ancestry of “зажещи”, step by step

зажещи traces back through two separate lines of ancestry.

via Old Church Slavonic жещи

StepLanguageWordMeaning
1Old Church Slavonicжещиburn
2Proto-Slavicžeťito burn; to heat up
3Proto-Slavicgegti—
4Proto-Slavicdegti—
5Proto-Balto-Slavicdegtéito burn
6Proto-Indo-Europeandʰégʷʰetito burn, to be burning

via Old Church Slavonic за

StepLanguageWordMeaning
1Old Church Slavonicза—
Every word from Proto-Indo-European dʰégʷʰeti →Every word from Proto-Balto-Slavic degtéi →Every word from Proto-Slavic degti →