Where does “ᠰᠠᠷᠠ” come from?

ᠰᠠᠷᠠ (Mongolian) comes from Classical Mongolian ᠰᠠᠷᠠᠨ, from Middle Mongolian ᠰᠠᠷᠠᠨ, from Proto-Mongolic sara — moon.

Ancestry of “ᠰᠠᠷᠠ”, step by step

StepLanguageWordMeaning
1Classical Mongolianᠰᠠᠷᠠᠨ—
2Middle Mongolianᠰᠠᠷᠠᠨ—
3Proto-Mongolicsaramoon
Every word from Proto-Mongolic sara →Every word from Middle Mongolian ᠰᠠᠷᠠᠨ →Every word from Classical Mongolian ᠰᠠᠷᠠᠨ →