This is the 11258th most frequent French word.
pépin
"Pépin" means "seed" or "pit" (in fruit).
In this sentence, 'pépin' refers to a small seed found in certain fruits like apples.
J'ai trouvé un pépin dans ma pomme.
I found a seed in my apple.
Here, 'pépin' is used metaphorically to describe a minor issue or problem.
Il y a eu un petit pépin avec le projet.
There was a little hiccup with the project.
In this context, 'pépin' is used to describe the seeds or fibers that are found in citrus juice.