Where does “Caggiano” come from?

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

Ancestry of “Caggiano”, step by step

StepLanguageWordMeaning
1ItalianCaggiano—
2LatinCāius — famously held by
3Latin-iusforming adjectives from nouns; nominative neuter...
4Proto-Italic-jōsForms comparative adjectives
5Proto-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 →