Where does “Trindade” come from?

Trindade (English) comes from Portuguese trindade, from Old Portuguese trĩidade, from Latin trinitatem, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

Ancestry of “Trindade”, step by step

StepLanguageWordMeaning
1Portuguesetrindadea trinity, triad
2Old Portuguesetrĩidadethe Trinity
3Latintrinitatemaccusative singular of trīnitās
4Latintrēsthree; 3
5Proto-Italictrēsthree
6Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →