Whan the poller sawe the preste was tourned, he snatched vp the purs, and toke his legges and to go.
In all this, I speak of the lower orders, the Corsicans purs et simples.
Loud were his purs and extravagant were the curl of his tail and the arch of his back!
1610s, of imitative origin. Related: Purred; purring. As a noun from c.1600.