There are multiple origins and meanings for the name Dayan:
1. Hebrew name-giving (דַייָן) meaning - "judge (religious court)"
2. Turkish (Turkic) first name, meaning - "based; hold on, Hang on!, Bear up!, Keep it up!"
3. Arabic name (ديان) meaning - "paying homage for good and for evil; chief Justice (epithet of the god)"
4. Mongolian name (ᠳᠢᠶᠠᠨ) - "asceticism; life of a hermit (Saint)t, holy, ascetic", Dayan - the highest rank of the monks.