In this article let us see about coral 

In Tulu language the word pagaḷa is used to mean coral (a red gem used in jewelleries). This word is originated from the proto Dravidian word  Pavaḻam

Let us see its cognates. Pavaḷam is used in Tamil, Havaḷa in Kannada, Paḷuva in Kodava, Paviḻam in Malayalam & Pagaḍam in Telugu.

This word is traveled towards Indo-Aryan languages too. Coral is Pravāla in Sanskrit, Pavaḷa in Sinhala, Powal in Assamese, Pola in Bengali, Pravāḷu in Gujarati, Povaḷè in Marathi.