Where does “цареубийца” come from?

цареубийца (Russian) comes from Russian царь, 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.

цареубийца (Russian): royal assassin, king killer

Definitions

  1. royal assassin, king killer

Ancestry of “цареубийца”, step by step

цареубийца traces back through two separate lines of ancestry.

via Russian царь

StepLanguageWordMeaning
1Russianцарьtsar, Russian emperor; king
2Old East Slavicцьсарь
3Old East Slavicцѣсарьemperor, king
4Proto-Slaviccěsařьemperor, king
5Proto-Germanickaisarazemperor
6LatinCaesarJulius Caesar; emperor
7Latincaesariesor hair
8Proto-Indo-Europeankéysero-hair

via Russian уби́йца

StepLanguageWordMeaning
1Russianуби́йцаmurderer
Every word from Proto-Indo-European kéysero-Every word from Latin caesariesEvery word from Latin Caesar