Where does “дан” come from?

дан (Bulgarian) comes from Old Church Slavonic дань, from Proto-Slavic danь, from Proto-Balto-Slavic *dṓˀnis, from Proto-Indo-European deh₃- — to give.

дан (Bulgarian): tribute, tax, due something owed or to be given

Definitions

  1. tribute, tax, due something owed or to be given

Ancestry of “дан”, step by step

дан traces back through two separate lines of ancestry.

via Old Church Slavonic дань

StepLanguageWordMeaning
1Old Church Slavonicданьtribute
2Proto-Slavicdanьtribute, tax
3Proto-Balto-Slavic*dṓˀnisgiving
4Proto-Indo-Europeandeh₃-to give

via Japanese 段

StepLanguageWordMeaning
1Japanese段steps (up and down); stairs
2Chinese段—
Every word from Proto-Indo-European deh₃- →Every word from Proto-Balto-Slavic *dṓˀnis →Every word from Proto-Slavic danь →