Where does “мьстьникъ” come from?

мьстьникъ (Old Church Slavonic) comes from Old East Slavic мьсть, from Proto-Slavic mьstiti, from Proto-Slavic mьzda, from Proto-Indo-European misdʰ-.

мьстьникъ (Old Church Slavonic): avenger

Definitions

  1. avenger

Ancestry of “мьстьникъ”, step by step

StepLanguageWordMeaning
1Old East Slavicмьсть—
2Proto-Slavicmьstitito avenge, to take vengeance upon
3Proto-Slavicmьzdapayment, pay
4Proto-Indo-Europeanmisdʰ-—
Every word from Proto-Indo-European misdʰ- →Every word from Proto-Slavic mьzda →Every word from Proto-Slavic mьstiti →