Where does “nessese” come from?

nessese (Italian) comes from Italian Nesso, from Latin nexūs, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “nessese”, step by step

StepLanguageWordMeaning
1ItalianNessoNessus
2Latinnexūsbound, tied, fastened, connected, interwoven, having been bound
3Latin-tusForms the past participle of verbs; Forms...
4Proto-Italic-tus—
5Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin nexūs →