Where does “угольница” come from?

угольница (Russian) comes from Russian у́гольный, from Russian у́гол, from Proto-Slavic ǫgъlъ, from Proto-Balto-Slavic *ángulas, from Proto-Indo-European h₂engulos, from Proto-Indo-European h₂eng- — curve, bend.

угольница (Russian): firepan

Definitions

  1. firepan

Ancestry of “угольница”, step by step

StepLanguageWordMeaning
1Russianу́гольныйcoal
2Russianу́голangle; corner
3Proto-Slavicǫgъlъcorner, angle
4Proto-Balto-Slavic*ángulas—
5Proto-Indo-Europeanh₂engulosjoint?
6Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European h₂eng- →Every word from Proto-Indo-European h₂engulos →Every word from Proto-Balto-Slavic *ángulas →