The word 'ziti' is a direct borrowing from Italian, where it is the plural form of 'zito', meaning "bridegroom" or "groom". The pasta's name is believed to derive from a traditional custom in Southern Italy, where this particular pasta shape was served at wedding feasts, perhaps in honor of the groom. The term entered English as a culinary loanword, retaining its Italian plural form but treated as a singular or mass noun in English usage. Its journey is one of cultural importation, where the word's original association with marriage celebrations faded, leaving only its specific reference to a pasta shape.

This word is a simplex loanword from Italian. No productive morphemes can be segmented from its current English spelling for meaningful analysis.