From Wiktionary, the free dictionary
Ultimately from Latin proprius. Compare Italian proprio.
pruoprio
- own
- pretty
1877, Antonio Ive, Canti popolari istriani: raccolti a Rovigno, volume 5, Ermanno Loescher, page 128:Cu’ ’l su’ pruoprio bucheîn el me magnasse;- With his pretty little mouth he would eat me;