Where does “дотогава” come from?

дотогава (Bulgarian) comes from Bulgarian до, from Proto-Slavic dȍ, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

дотогава (Bulgarian): theretofore (referring to a specific past or future moment under discussion)

Definitions

  1. theretofore (referring to a specific past or future moment under discussion)

Ancestry of “дотогава”, step by step

дотогава traces back through two separate lines of ancestry.

via Bulgarian до

StepLanguageWordMeaning
1Bulgarianдоnear, close to; up to, as far as; until, till
2Proto-Slavicdȍup to, until
3Proto-Indo-EuropeandeEmphatic or contrastive particle, and, but;...

via Bulgarian тога́ва

StepLanguageWordMeaning
1Bulgarianтога́ваthen (at that time)
Every word from Proto-Indo-European de →Every word from Proto-Slavic dȍ →Every word from Bulgarian до →