explanation    insobanuro, insiguro
(to demand ~) gusigūza
En-En dictionary 
gusigūza (-sigūje)     v    to demand explanation
insiguro (in-  3  class 3
singular: i-,in-
plural: i-,in-
  
1. meaning, 2. definition, 3. explanation, 4. speech (from gusigūra)
insobanuro (in-)     3  class 3
singular: i-,in-
plural: i-,in-
  
1. explanation, 2. definition, 3. meaning, semantics, 4. reference
demand    (explanation) gusigūza
(from) kwāka
(more) kwongeza
En-En dictionary