History:

Natthu: A name whispering of the night. My search through history and mythology came up empty. Its possible this name has a unique family history, passed down through generations, but such stories arent always widely known. Maybe thats what makes it so special.

Description:

Ive checked my massive collection of proverbs and expressions, and came up empty.

Its a short, unique name. You might see minor spelling changes like Nattu, depending on the language. Informal, family nicknames might exist, but they wouldnt be official.