мътя

Etymology 1
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Verb

 * 1) to whisk, to muddle
 * 2) to make muddy, to cloud, to roil
 * 3)  to disturb, to enervate, to cause trouble
 * 4) to get turbid
 * 5)  to get confused, perplexed
 * 6)  to get complicated, intricate
 * 1) to get turbid
 * 2)  to get confused, perplexed
 * 3)  to get complicated, intricate

Etymology 2
Semantic shift of Etymology 1.

Verb

 * 1)  to incubate, to brood eggs
 * 2)  to hatch