Where does “будући да” come from?

будући да (Serbo-Croatian) comes from Serbo-Croatian да, from Proto-Slavic da, from Serbo-Croatian да̏ти, from Proto-Slavic dȁti, from Proto-Balto-Slavic dṓˀtei, from Proto-Indo-European dédeh₃ti, from Proto-Indo-European deh₃- — to give.

будући да (Serbo-Croatian): since, because

Definitions

  1. since, because

Ancestry of “будући да”, step by step

будући да traces back through two separate lines of ancestry.

via Serbo-Croatian да

StepLanguageWordMeaning
1Serbo-Croatianдаthat; in order to, to; to
2Proto-Slavicdayes, yeah; in order to
3Serbo-Croatianда̏тиto give
4Proto-Slavicdȁtito give
5Proto-Balto-Slavicdṓˀteito give
6Proto-Indo-Europeandédeh₃tito be giving
7Proto-Indo-Europeandeh₃-to give

via Serbo-Croatian бити

StepLanguageWordMeaning
1Serbo-Croatianбитиto be; to exist; to be, appear
2Proto-Slavicbytito be
3Proto-Balto-Slavicbū́ˀteito be
4Proto-Indo-EuropeanbʰuH-to become, grow, appear
Every word from Proto-Indo-European deh₃- →Every word from Proto-Indo-European dédeh₃ti →Every word from Proto-Balto-Slavic dṓˀtei →