This is the 3590th most frequent Catalan word.
pedrola
"Pedrola" in Catalan means "small stone" or "pebble."
In this case, 'pedrola' refers to a stone found by a child and used in play.
El nen jugava amb una pedrola que va trobar al jardí.
The child played with a large stone he found in the garden.
In this sentence, 'pedrola' is used to denote a literal large stone which caused someone to trip.
Vaig ensopegar amb una pedrola al camí.
I tripped over a large stone on the path.
Here, 'pedrola' is used metaphorically to describe obstacles or challenges.