What does Aadhya mean?
From Sanskrit adya (आद्या), feminine 'first, primordial, the beginning'; used as an epithet of the primordial Goddess (Adi Shakti / Durga).
What does Riya mean?
Commonly given as Sanskrit-derived riya (रिया), 'singer' or 'graceful'. It is not well attested in classical Sanskrit literature, so this meaning is popular rather than firmly documented.