Where does “cynosure” come from?

cynosure (French) comes from Middle French Cynosure, from Latin Cynosūra, from Ancient Greek Κυνόσουρα, from Ancient Greek κύων, from Ancient Greek μῦς, from Proto-Hellenic *mū́s, from Proto-Indo-Iranian múHs, from Proto-Indo-European múh₂s — mouse.

cynosure (French): Ursa Minor; Polaris

Definitions

  1. Ursa Minor; Polaris

Ancestry of “cynosure”, step by step

StepLanguageWordMeaning
1Middle FrenchCynosureUrsa Minor
2LatinCynosūraUrsa Minor
3Ancient GreekΚυνόσουραUrsa Minor
4Ancient Greekκύωνa dog; a bitch; an offensive person
5Ancient Greekμῦςmouse; A type of mussel; A type of whale
6Proto-Hellenic*mū́s
7Proto-Indo-IranianmúHsmouse
8Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European múh₂sEvery word from Proto-Indo-Iranian múHsEvery word from Proto-Hellenic *mū́s