zaciemniać

Etymology
From. .

Verb

 * 1)  to dim
 * 2)  to darken, to obfuscate
 * 3)  to darken
 * 4)  to darken, to obfuscate
 * 5)  to muddy
 * 6)  to darken
 * 1)  to muddy
 * 2)  to darken
 * 1)  to darken
 * 1)  to darken
 * 1)  to darken