This is the 452nd most frequent Portuguese word.
pena
The Portuguese word "pena" can mean "feather," "penalty," or "pity," depending on the context.
Here, 'pena' is used to express regret or a lamentable situation, translated as 'pity'.
É uma pena que você não possa vir.
It is a pity that you cannot come.
In this instance, 'pena' refers to a feather, specifically from a bird.
Eu encontrei uma pena de pássaro no caminho.
I found a bird feather on the path.
Here, 'pena' means a legal punishment or penalty.