Where does “trojúhelníkový” come from?

trojúhelníkový (Czech) comes from Czech trojúhelník, from Czech úhel, from Proto-Slavic ǫglь, from Proto-Balto-Slavic anˀglís, from Proto-Indo-European h₁óngʷl̥, from Proto-Indo-European h₁engʷ- — to burn; fire.

trojúhelníkový (Czech): triangular

Definitions

  1. triangular

Ancestry of “trojúhelníkový”, step by step

StepLanguageWordMeaning
1Czechtrojúhelníktriangle
2Czechúhelangle
3Proto-Slavicǫglьcoal
4Proto-Balto-Slavicanˀglíscoal, charcoal
5Proto-Indo-Europeanh₁óngʷl̥charcoal
6Proto-Indo-Europeanh₁engʷ-to burn; fire
Every word from Proto-Indo-European h₁engʷ- →Every word from Proto-Indo-European h₁óngʷl̥ →Every word from Proto-Balto-Slavic anˀglís →