How Supankha of Ramayana fame derived her name ?

Supankha (शूर्पणखा)

शूर्पणखा – शूर्पाणि इव नखाः यस्याः सा शूर्पणखा (बहुव्रीहि समास )

शूर्प  means  winnowing basket

Supankha (शूर्पणखा) means the one who has nails like winnowing basket.