This is the 12897th most frequent Polish word.
obraną
"Obraną" means "peeled" or "chosen," depending on context.
Here, 'obraną' describes the peel (skórkę) of the potatoes as something that has been removed or peeled.
Kupiliśmy ziemniaki obraną skórkę.
We bought potatoes with their peels removed.
In this case, 'obraną' modifies the decision (decyzję) as one that has been made or determined.
Obraną decyzję uznam za ostateczną.
I will consider the chosen decision as final.
In this sentence, 'obraną' refers to the path (drogę) that has been selected or chosen.