Where does “πετροπέρδικα” come from?

πετροπέρδικα (Greek) comes from Greek πέρδικα, from Ancient Greek πέρδιξ, from Ancient Greek πέρδομαι, from Proto-Hellenic pérdomai, from Proto-Indo-European pérdetor, from Proto-Indo-European perd- — to fart loudly, pass gas, break wind.

πετροπέρδικα (Greek): Alectoris graeca: rock partridge