This is the 7034th most frequent Portuguese word.
janeiro
"Janeiro" means "January."
In this sentence, 'janeiro' is part of 'Rio de Janeiro', which is a proper noun referring to a well-known city in Brazil.
Eu adoro visitar a cidade do Rio de Janeiro.
I love visiting the city of Rio de Janeiro.
Here, 'janeiro' refers to the month of January in the calendar year, emphasizing its temporal context.
Janeiro é o mês mais quente do ano no Brasil.
January is the hottest month of the year in Brazil.
In this usage, 'janeiro' appears both as part of the city's name and as a reference to the month, demonstrating its application in different contexts.