There are multiple origins and translations for the name Aydar:
1. Turkic name which actually means - "lunar; with the features of the Moon (Ay); master (Dar) of the Moon".
2. Derivative form of the Arabic name Haydar (حيدر) in a figurative sense - "lion".
3. Kalmyk [altyn aidar] name semantics - "gold braid". It is worn by young devils in the Kazakh fairy tales
4. Buryat (Айдар) name and translates as - "dear".
In Turkish (Ay) translated to 'moon' and 'dar' can be translated to "narrow". "Narrow moon" which is a crescent.