Where does “trojúhelník” come from?
trojúhelník (Czech) comes 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.
trojúhelník (Czech): triangle
Ancestry of “trojúhelník”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Czech | úhel | angle |
| 2 | Proto-Slavic | ǫglь | coal |
| 3 | Proto-Balto-Slavic | anˀglís | coal, charcoal |
| 4 | Proto-Indo-European | h₁óngʷl̥ | charcoal |
| 5 | Proto-Indo-European | h₁engʷ- | to burn; fire |