Where does “Cetóbriga” come from?

Cetóbriga (Portuguese) comes from Latin Caetobriga, from Proto-Celtic brigā, from Proto-Indo-European *bʰérǵʰos, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

Ancestry of “Cetóbriga”, step by step

StepLanguageWordMeaning
1LatinCaetobriganow Setúbal
2Proto-Celticbrigāmight, power
3Proto-Indo-European*bʰérǵʰoshill
4Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain
Every word from Proto-Indo-European bʰerǵʰ-Every word from Proto-Indo-European *bʰérǵʰosEvery word from Proto-Celtic brigā