This is the 1008th most frequent Portuguese word.
irmã
Sister.
In this sentence, 'irmã' is used to refer to the individual's female sibling.
Minha irmã gosta de ler livros.
My sister likes to read books.
Here, 'irmã' is used metaphorically to depict a close, sibling-like relationship with someone who is not biologically related.
Ela é como uma irmã para mim.
She is like a sister to me.
In this context, 'irmã' is a religious title used to address or refer to a nun.