What is the meaning of Diya?

A small bowl-shaped oil lamp, usually made from clay, with a cotton wick dipped in ghee or vegetable oil, often used on religious occasions.

Alternative form of diyya

earth; soil

tortoise (land-dwelling reptile)

there

indicates that something is visible to both the speaker and the hearer

day

pleasant, nice

to make pleasing

to make succeed

day

Source: wiktionary.org