Where does “Bretanha” come from?

Bretanha (Portuguese) comes from Latin Britannia, from Ancient Greek Βρεττανία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “Bretanha”, step by step

Bretanha traces back through two separate lines of ancestry.

via Latin Britannia

StepLanguageWordMeaning
1LatinBritanniaBritain
2Ancient GreekΒρεττανίαthe British Isles
3Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
4Proto-Indo-European-íh₂—
5Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via Old French Bretagne

StepLanguageWordMeaning
1Old FrenchBretagne—

Words derived from “Bretanha”

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek Βρεττανία →