Where does “*Trāgobrixs” come from?

*Trāgobrixs (Proto-Celtic) comes from Proto-Celtic brixs, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

Ancestry of “*Trāgobrixs”, step by step

StepLanguageWordMeaning
1Proto-Celticbrixshill
2Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain
Every word from Proto-Indo-European bʰerǵʰ- →Every word from Proto-Celtic brixs →