Where does “węgielny” come from?

węgielny (Polish) comes from Polish Węgiel, from Old Polish węgiel, from Proto-Slavic *ǫ̀gľь — coal.

węgielny (Polish): corner, cornerstone of a building

Definitions

  1. corner, cornerstone of a building

Ancestry of “węgielny”, step by step

węgielny traces back through two separate lines of ancestry.

via Polish Węgiel

StepLanguageWordMeaning
1PolishWęgiel—
2Old Polishwęgielcoal; charcoal
3Proto-Slavic*ǫ̀gľьcoal

via Old Polish węgielny

StepLanguageWordMeaning
1Old Polishwęgielny—
2Proto-Slavic*ǫgъlьnъ—
Every word from Proto-Slavic *ǫ̀gľь →Every word from Old Polish węgiel →Every word from Polish Węgiel →