gusesereza (-sheshereje)     v    1. to penetrate the skin (esp. under fingernail), 2. to hurt another's feelings
feelings    (hard) umwīkomo, ikinūbwe
(to hold hard ~) kwīdōga
(to hurt another's ~) gusesereza
(to not show one's ~) kwīrengagiza
En-En dictionary 
fingernail    urwāra, inzāra
(to go under) gusesereza
(to scratch with) kwāga
En-En dictionary 
hurt    (vi) kubabara, gutonekara
(vt) kubabaza
(another's feelings) gusesereza
(to be ~ by what one says, or in injury) gusesērwa
En-En dictionary 
penetrate    (into) kunyegera
(skin, esp. under fingernail) gusesēra, gusesereza
En-En dictionary