wyciszać

Etymology
From.

Verb

 * 1)  to quiet, to mute
 * 2)  to quiet
 * 3)  to soundproof
 * 4)  to dampen
 * 5)  to hush
 * 6)  to quiet, to mute
 * 7)  to quiet
 * 8)  to dampen
 * 9)  to hush
 * 10)  to quiet
 * 1)  to quiet
 * 2)  to dampen
 * 3)  to hush
 * 4)  to quiet
 * 1)  to quiet