* It's a nickname or shortened version of another name: Dau could be a shortened form of names like David, Daoud, or even Audrey.
* It's a name with a specific cultural origin: There might be specific meanings in certain cultures or languages. Could you tell me more about where you encountered the name "Dau"? Knowing the origin might help decipher its meaning.
* It's a unique, invented name: Sometimes people create their own names, in which case there might not be any established meaning.
To help me understand the meaning of "Dau," please provide some more context:
* Where did you encounter the name? (country, region, language)
* Do you know anything about the person with the name? (their background, culture)
With more information, I can hopefully shed some light on the meaning of the name "Dau"!