Where does “Lorenzini” come from?

Lorenzini (English) comes from Italian Lorenzini, from Italian Lorenzo, from Latin Laurentius, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Lorenzini”, step by step

StepLanguageWordMeaning
1ItalianLorenzini—
2ItalianLorenzoLawrence
3LatinLaurentiusLaurence; Laurente
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós →Every word from Latin -ius →Every word from Proto-Italic -jōs →