Pepperoni is a word that confuses Italians. In Italy, peperoni (with one p) means bell peppers — order a pizza ai peperoni in Naples and you will get roasted vegetables, not cured meat. The spicy sausage Americans call pepperoni was invented in the United States by Italian immigrants in the early 20th century, and it has no traditional equivalent in Italian cuisine.
The word traces back through Italian peperone (a large pepper) to Latin piper, meaning pepper. Latin borrowed piper from Greek peperi, which came from Sanskrit pippali, the long pepper plant native to India. The name traveled the ancient spice trade routes from South Asia to the Mediterranean.
Italian-American butchers in New York City developed pepperoni around 1919, combining southern Italian salami-making techniques with American tastes and available ingredients. The result — a dry-cured sausage of pork and beef, heavily seasoned with paprika and black pepper — was spicier and more uniform than most traditional Italian salami. They named it for its peppery kick.
Pepperoni remained a niche Italian-American deli product for decades. Its rise to national prominence coincided with the postwar pizza boom. As pizza parlors spread across the United States in the 1950s and 1960s, pepperoni became the default topping. Today it appears on roughly 36 percent of all pizzas sold in America, making it the single most popular pizza topping in the country by a wide margin.
The word stands as a prime example of how immigrant communities create new cultural products from old-world ingredients and vocabulary. Italian-Americans took a familiar Italian word, attached it to a new food product, and produced something that became more American than Italian — a pattern repeated across dozens of food terms in the English language.