Where does “Багдан” come from?

Багдан (Belarusian) comes from Old East Slavic Богданъ, from Proto-Slavic Bogъdanъ, from Proto-Slavic dati, from Proto-Balto-Slavic dṓˀtei, from Proto-Indo-European dédeh₃ti, from Proto-Indo-European deh₃- — to give.

Ancestry of “Багдан”, step by step

StepLanguageWordMeaning
1Old East SlavicБогданъ—
2Proto-SlavicBogъdanъ—
3Proto-Slavicdatito give
4Proto-Balto-Slavicdṓˀteito give
5Proto-Indo-Europeandédeh₃tito be giving
6Proto-Indo-Europeandeh₃-to give
Every word from Proto-Indo-European deh₃- →Every word from Proto-Indo-European dédeh₃ti →Every word from Proto-Balto-Slavic dṓˀtei →