poszerzyć

Etymology
From.

Verb

 * 1)  to widen
 * 2)  to widen, to extend
 * 3)  to widen
 * 4)  to widen, to extend, to broaden
 * 5)  to spread
 * 1)  to widen, to extend, to broaden
 * 2)  to spread
 * 1)  to spread