Where does “цар” come from?

цар (Bulgarian) comes from Old East Slavic цьсарь, from Old East Slavic цѣсарь, from Proto-Slavic cěsařь, from Proto-Germanic kaisaraz, from Latin Caesar, from Latin caesaries, from Proto-Indo-European kéysero- — hair.

цар (Bulgarian): czar, tsar, tzar; king, ruler, monarch; emperor

Definitions

  1. czar, tsar, tzar; king, ruler, monarch; emperor

Ancestry of “цар”, step by step

цар traces back through two separate lines of ancestry.

via Old East Slavic цьсарь

StepLanguageWordMeaning
1Old East Slavicцьсарь—
2Old East Slavicцѣсарьemperor, king
3Proto-Slaviccěsařьemperor, king
4Proto-Germanickaisarazemperor
5LatinCaesarJulius Caesar; emperor
6Latincaesariesor hair
7Proto-Indo-Europeankéysero-hair

via Old Church Slavonic цѣсарь

StepLanguageWordMeaning
1Old Church Slavonicцѣсарьemperor, tsar; king

Words derived from “цар”

Every word from Proto-Indo-European kéysero- →Every word from Latin caesaries →Every word from Latin Caesar →