seven    indwi
(times) indwi
En-En dictionary 
time    umwānya, ikibariro, igihe, amango
(another ~) ubundi
(a short time) akanya
(the very last) ubuherūka
(of finishing or attaining something) ikirīngo
(God's time) igihe c'imana
(for planting small grain) ibiba
(to set a ~, to do something at a ~) guhēnga
(to set, measure, await a fixed ~) kugerereza
(to spend ~ together) kumarana
(to waste one's ~) gukinanga
(how many ~) kangahe?
(many times) kēnshi
(no time) nta umwanya, ntamwanya
(number of times) ibihetangabo, e.g. seven times – ibihetangabo ndwi
En-En dictionary 
indwi     1. seven, seven times, 2. week
mirongwindwi   adj    seventy
mirongwirindwi   adj    seventy
seventy    mirongwindwi, mirongwirindwi
En-En dictionary 
seventeen    icumi n'indwi
En-En dictionary 
 seven found in: Kirundi I (Study lessons)
lesson 37   Cardinal Numbers 1-10