gutūta (-tūse)     v    to be hard, impossible to dig even though water is on top
dig    kwīmba, kurima
(and break through to hollow place) guhubura
(as chicken does) gukoba
(out grass rapidly) gusūriranya
(under crop, grass) kuzika
(up) gusibanganya
(up the earth) gutaba
(up sweet potatoes with fingers, or, to make hole for setting out tree) gukoba
(to be impossible to dig even though water is on top) gutūta
En-En dictionary 
hard    (to be) kuguma, guhāmbāra, gukara, gukomera, kudadarara, gukomāntara
(to be, earth) gutūta
(to be difficult) kugōra, gukomera
(to have a ~ life) kunamba
(to make ~ for one who has lost a loved one by reproaching the dead) kwītāmba ku muvyimba
(to make ~, hearted) gukomāntaza
(to take out of ~ places) kugobōtora
En-En dictionary