Ariana is not an Islamic name, it comes from the ancientPersian and Sanskrit word "Aria" which means "pure", "noble". Since this has a good meaning, it is acceptable to use it for a Muslim child. Islam does not require people to use only Arabic names. Many Turkish people use Turkish-language names even though they are Muslim, and the same goes for Persian and Kurdish Muslims. The only requirement is that the name should have a good meaning that is not against the teachings of Islam (for example a name that means "son of God" is not acceptable in Islam).
I have just updated it's meaning, origins and details.
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