Where does “Tresoldi” come from?

Tresoldi (Portuguese) comes from Italian Tresoldi, from Italian tre, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

Ancestry of “Tresoldi”, step by step

StepLanguageWordMeaning
1ItalianTresoldi—
2Italiantrethree
3Latintrēsthree; 3
4Proto-Italictrēsthree
5Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →