igikonyozi (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
frost, severe cold
cold    –bisi
(in chest) agaherēra
(in head) agahiri, akamango, akamangu,
(cough) inkorora
(common cold, flu) ibicurane
(weather) imbeho, ubukonje
(weather, severe) igikonyozi
(to be) gukōnja, gukanya, gutīmba
(to be drawn up from ~) gutetera
En-En dictionary 
frost    igikonyozi
En-En dictionary 
weather    (severe cold) igikonyozi
(cloudy but not rainy) urufuri
(to be cool) gupfuka
(to turn bad suddenly) gufurūngana
En-En dictionary