Something (ma-) is about to be, almost, nearly happens.
Ivv. makalu 'earlier'
dandaní
kalo
Ki iyaw chirinaya nadngey na, makalo na mabo.
The word that he heard is about to be lost.
Makalo a wawaho a kaoras namen do tanap.
It is almost eight hours that we are on the grassy plain.
kakalo
The time when something is about to happen.