The meaning of the name Daenerys is Created Name. The origin of the name Daenerys is English. This is the culture in which the name originated, or in the case of a word, the language.
Daenerys is a character name created by character name created by George R.R. Martin in his Song of Ice and Fire novels and Game of Thrones TV series. The character's full name is Daenerys Stormborn Targaryen, and she's called Daeny/Dani for short.
Feedback from a BN member: The name Day could have an alternative spelling of Dae and means Light and Hope from its American origins. Nerys is Welsh in origin meaning Lady. Therefore, Daenerys could mean "Lady of Light" or "Lady of Hope."