This is the 8355th most frequent Portuguese word.
umberto
"Umberto" is a proper noun, typically a male given name, equivalent to "Humberto" in English.
Here, 'Umberto' is used as a proper noun referring to the famous Italian author Umberto Eco.
O livro foi escrito por Umberto Eco.
The book was written by Umberto Eco.
In this case, 'Umberto' names a dish, showing its use as an assigned label.
No restaurante, o prato especial se chama Umberto, em homenagem ao chef.
In the restaurant, the special dish is called Umberto, in honor of the chef.
'Umberto' is used as a name assigned to a dog, illustrating its use beyond human names.