Where does “mračoun” come from?

mračoun (Czech) comes from Czech mračit, from Old Czech mračiti, from Proto-Slavic *morčiti, from Proto-Slavic morkъ, from Proto-Balto-Slavic *markas, from Proto-Indo-European mergʷ- — dark, coloured; to flicker; to darken; to be dark.

mračoun (Czech): grouch, crosspatch

Definitions

  1. grouch, crosspatch

Ancestry of “mračoun”, step by step

StepLanguageWordMeaning
1Czechmračitto frown
2Old Czechmračiti—
3Proto-Slavic*morčitito darken
4Proto-Slavicmorkъdarkness
5Proto-Balto-Slavic*markas—
6Proto-Indo-Europeanmergʷ-dark, coloured; to flicker; to darken; to be dark
Every word from Proto-Indo-European mergʷ- →Every word from Proto-Balto-Slavic *markas →Every word from Proto-Slavic morkъ →