I believe it is meant to be pronounced like purty, and as Drakky said, it is a mix of purty and purr, likely to imply prettiness and cat (or enkidukai).
As for the wonderful lady with a fascinating voice, not so sure bout that part. Lolitra might oblige you when she is feeling better if you ask her properly xD Never heard her voice so I am not sure if it is fascinating, but she would know what the word is supposed to sound like.