ὕστριξ

Etymology
Often analysed as +, or alternatively with the first element being the base of. However, Beekes cites the nasalization seen in the variant genitive plural form – as if from  – as proof of  origin.

Noun

 * 1) porcupine
 * 2) something obtained from pigs, probably bristles
 * 3) instrument of punishment, probably cat-o'-nine-tails