nehunehu
1. (verb) to become a fine powder, become dust.
Tērā tētahi mahi i hua ai te taonga ki te tangata kei Hauraki e mahia ana; he mahi uaua, hou ai rā hoki ki raro ki te mano o te whenua. Kia taea ngā kōwhatu i hiahiatia, kia hutia hoki ki runga, ka āta tukia kia ririki, nehunehu rawa, kātahi ka kitea e te tangata tana taonga (TKO 6/1915:3). / There is an occupation that produces treasure for people that is being carried out in Hauraki. It is a difficult task and one goes deep underground. When the rocks that are wanted are reached, they are lifted up and pounded until they are small and in a powder, then the man finds his treasure.
2. (modifier) hazy, dusky.
Kāore e taea te moutere te kite i ngā rangi nehunehu. / The island can't be seen on hazy days.