This is the 2077th most frequent Portuguese word.
domingos
"Domingos" means "Sundays" in English.
Here, 'domingos' is used as a plural noun meaning 'Sundays', referring to the days of the week.
Eu adoro passar os domingos lendo livros.
I love spending Sundays reading books.
In this context, 'Domingos' is a proper noun, a given name of a person.
Domingos trabalha na padaria todos os dias.
Domingos works at the bakery every day.
Here, 'domingos' is again used as a plural noun meaning 'Sundays', in a generic sense indicating regular occurrence on those days.