rozmywać

Etymology
From.

Verb

 * 1)  to wash away, to rinse off
 * 2)  to dilute, to dissolve, to rarefy
 * 3)  to blur
 * 4)  to get washed away, to get rinsed off
 * 5)  to get diluted, to get dissolved, to get rarefied
 * 6)  to get blurred