Where does “мидия” come from?

мидия (Kazakh) comes from Russian ми́дия, from Greek μύδια, from Greek μύδι, from Ancient Greek μύδιν, from Ancient Greek μύδιον, from Ancient Greek μῦς, from Proto-Hellenic *mū́s, from Proto-Indo-Iranian múHs — mouse.

мидия (Kazakh): mussel