darkness   ▶ umwījima, umwīza
 (great) umuzimagiza, umuzitanya
 (in daytime) ubwīrakabiri
En-En dictionary 
dawn   ▶ amacāca, umutwēnzi, umuseke, ubuca
(night is almost over, about to dawn) ijoro rishira ubuca
(when ~ broke) umutwēnzi ukitse
(to ~) guca, gutambika
(to become light, very early just as darkness ends) gutamānzuka, gutamānzura
En-En dictionary 
gutamānzura (-tamānzuye)   v   ▶ to become light suddenly (early morning just as darkness ends, or after eclipse)
gutamānzuka (-tamānzutse)     v   ▶ to become light suddenly (early morning just as darkness ends, or after eclipse)
ubwīrakabiri     8  class 8
singular: ubu- ▶ (no pl.) eclipse, darkness in daytime
umuzitanya (imi-)   2  class 2
singular: umu-
plural: imi- ▶ great darkness
umuzimagiza (imi-)   2  class 2
singular: umu-
plural: imi- ▶ great darkness
light   ▶ (to ~ fire, lamp) gucāna, kudomeka, gukongereza, kwātsa
(the path, esp. with torch) kumurika
(to become ~ suddenly, early in morning just as darkness ends, or after eclipse) gutamānzuka, gutamānzura
(to come to light) guhinyuka, kwāndagara
(to put out) kuzimya
En-En dictionary 
umwījima     2  class 2
singular: umu- ▶ darkness, dark
umwīza     2  class 2
singular: umu-
plural: imi- ▶ (pl. rare) darkness, dark
dark   ▶ (darkness) umwījima, umwīza
(after dark) bwateranye
(to be) kwīrabura, gucūra umwiza
 (to become) kwīra
 (to become in daytime, fog, etc.) kwūbikiza
 (to come from ~ into light) kwāndagara
En-En dictionary 
 darkness found in: Kirundi I (Study lessons)
lesson 5  ▶ Mu and Ku