climb    (hill) kudūga
(as tree) kwūrira, gusega
(down) kwūruruka
En-En dictionary 
kwūrira (-ūriye)   v    1. to climb (as tree), 2. to board (a bus, train)
kwūriza (-ūrije)   v    to cause to climb
kwūrizwa (-ūrijwe)   v    to be caused to climb
kwūrirana (-ūriranye)   v    to climb together
kwūririra (-ūririye)   v    to climb on, by, for
kwūrurutsa (-ūrurukije)   v    to cause to climb down
tree    igiti
(fruit tree) igiti c'ivyamwa
(base of) igitsina, itsina
(trunk) umutūmba
(small ones around big one) umuvyāro
(big spreading) umutagare
(palm) ikigazi
(small, palmlike) igisāndasānda
(of whih bark was used for clothing) umumānda, icōmore, umuvumu, ikivumu
(of which bark is used for rope) umuvūmvu
(to be many) gusagāra
(to climb) kwūrira
(to climb down) kwūruruka
(to cut) gukera, gutema, guca
(to cut off top) gukēmūra
(trees grown very close together) impatane
En-En dictionary 
gusega (-seze)     v    to climb (tree)
kwūruruka (-ūrurutse)   v    to climb down, descend (as tree)
kwūrurutswa (--kijwe)   v    to be caused to climb down
 climb found in: Kirundi I (Study lessons)
lesson 105   Further Notes on Nta
 climb found in: Kirundi II (Grammar)
chapter 29   Opposites