Shurpanakha (Sanskrit: शूर्पणखा, IAST: śūrpaṇakhā, lit. she whose fingernails are like winnowing fans) is a character in Valmiki 's epic, the Ramayana, and is the sister of the main antagonist, Ravana, King of Lanka. She is known as Soorpanagai in Tamil, Sarpakanaka in Indonesian, Surpanakhar in Khmer, Surapandaki in Malay, and Sammanakkha in Thai.
from which body part surpanakha derived their name
fingernails