What does Diya mean?
From the Hindi दीया (diyā), 'an oil lamp', descended from the Sanskrit dīpa ('lamp, light'). A genuine, everyday Hindi word evoking the lamps of Diwali.
What does Kali mean?
From Sanskrit 'kali', the feminine of 'kala' meaning 'black, dark'. The name of the fierce Hindu goddess Kali; the sense is often blurred by popular etymology with a second 'kala' meaning 'time'. Include respectfully as a deity name.