Where does “Mus” come from?

Mus (English) comes from Turkish Muş, from Persian موش, from Middle Persian mwšk', from Sanskrit मुष्क, from Sanskrit मूष्, from Proto-Indo-European múh₂s — mouse.

Ancestry of “Mus”, step by step

StepLanguageWordMeaning
1TurkishMuşA sightseeing boat
2Persianموشmouse; rat
3Middle Persianmwšk'musk
4Sanskritमुष्कtesticle, scrotum
5Sanskritमूष्mouse; "stealer", "thief"
6Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European múh₂s