What does Aditi mean?
From Sanskrit aditi (अदिति), 'boundless, free, unlimited'. In the Vedas Aditi is the mother of the gods (Adityas) and goddess of the infinite sky. A goddess name.
What does Prisha mean?
A modern name usually traced to Sanskrit for 'beloved, dear'. It is also widely glossed 'God's gift' and linked to Lakshmi, but that reading is popular rather than documented and its Sanskrit basis is unsettled (an Arabic 'gift' root is also cited).