This is the 12995th most frequent Spanish word.
pesa
A "pesa" is a "weight" (used for exercise or measuring).
In this sentence, 'pesa' refers to a physical weight used for strength training.
Ella levanta una pesa para hacer ejercicio.
She lifts a weight to exercise.
Here, 'pesa' is used metaphorically to describe that the decision has a significant emotional impact.
La decisión que tomó pesa mucho en su vida.
The decision she made weighs heavily in her life.
In this context, 'pesa' describes the action of determining the weight of the fruit.