przerzedzać

Etymology
From.

Verb

 * 1)  to thin out
 * 2)  to diminish, to lessen, to reduce
 * 3)  to thin out
 * 4)  to diminish, to lessen, to reduce
 * 1)  to thin out
 * 2)  to diminish, to lessen, to reduce
 * 1)  to diminish, to lessen, to reduce