This is the 7659th most frequent Portuguese word.
passada
"Passada" in Portuguese means "step" (as in stride) or "past" (as in time gone by), depending on context.
Here 'passada' is used as an adjective referring to a week that has already occurred.
Na semana passada, visitei minha avó.
Last week, I visited my grandmother.
In this sentence, 'passada' is used colloquially as an adjective meaning shocked, typically describing a person's reaction.
Fiquei passada com a notícia.
I was shocked by the news.
Here, 'passada' is a noun indicating the stride or step taken during walking.