Rice powder
Rice powder or Rice Flour is used for many dishes mostly snack items.
While the English language word, powder has been refered in Tamil language as "podi" in some places like Sambar Podi, here it is called Maavu.
Rice powder is called Arisi Maavu in Tamil language.
Rice powder is used as an main ingredient for making Puttu, Kozhukattai and as one of the ingredient for making Murukku, Vathal, Masala Vadai.
If you have a mixer grinder, you can mill Rice into Rice powder/flour. In Tamil Nadu and in general, in India, there are many places where you can mill Rice into Flour at a mill.
Spelling variations in Tamil name for Rice powder:
Arisi maavu, Arisi mavu, Arici maavu, Arici mavu