curve    (as in river) ikigonzi
(to ~) kugoreka, guheta, kugonda
(to ~ finger, as in scraping dish) gukomba
(to make ~) kurasa
En-En dictionary 
guheta (-hese)     v    to bend, curve (vt)
gukomba (-komvye)     v    to curve finger (as in scraping food from dish)
kugōndera (-gōndeye)     v    to curve at, for
ikigonzi (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
loop, curve (as of snake, river)
guhetwa (-heswe)     v    to be curved, bent
kugōndama (-gōndamye)     v    to be curved
kugōndamika (-gōndamitse)     v    1. to curve, 2. to bend
kugoreka (-goretse)     v    to curve, make crooked
kurasa (-rashe)     v    1. to shoot (arrow), 2. to make a curve, 3. to rise (of sun)
umuhoro (imi-)     2  class 2
singular: umu-
plural: imi-
  
long handled curved knife
bend    (vt) guheta
(as joint) kugōnda
(curve) kugoreka
(down) kwūnana
(joint) gukonya, gupfunya
(over) kujōndamika, kwūbama
En-En dictionary 
knife    imbugita, icūma
(for cutting banana leaves) urugombōzo
(long) inkōta
(long, broad) umupānga
(long-handled, curved) umuhoro
En-En dictionary