From -chafu (“dirty”). -<span class="searchmatch">chafuka</span> (infinitive kuchafuka) to be dirty to be stormy, rough (of the sea) Nominal derivations: machafuko...
kuchafuka (verbal noun of the ku class) infinitive of -<span class="searchmatch">chafuka</span>...
From ma- + -<span class="searchmatch">chafuka</span> + -o. machafuko class VI (plural only) disorder, unrest, chaos...