uruvi (im-  6  class 6
singular: uru-
plural: in-
  
white hair (from old age)
uruvivi (im-  6  class 6
singular: uru-
plural: in-
  
gray hair (from old age)
gray    -vivi, agahīza, uruhīza, akavūzo, uruvūzo
(~ hair) uruvi, uruvivi
En-En dictionary 
hair    (of baby) imvanda
(bit on top of head) isūnzu
(of human head) umushatsi
(except of human head) ubwōya
(one) urwōya
(pubic) inzya
(hair line) amasoso
(long with mud in it) ubusage
(tan in color, goats) umufumbēre
(white from old age) imvi, uruvi
(to cut) kumwa
(to dampen before cutting) kuvubika
(to have long) guhīmbira
(to have shaved off) kwīkemūra
(to let grow long) gutongoza
En-En dictionary