An afterglow, emitted by the sun's rays after sunset.
Ad ugga ya mumbolah nan būnut hi hīnag nan potang.
Yesterday the clouds were red with the afterglow of the sun's rays.
For the sun's rays (actor muɴ- & theme) to illuminate something, such as a cloud, the earth, a mountain (loc ref -an) with an afterglow after sunset.
Mapatal tun lūta ti nahināgan.
This earth is bright because it is illuminated with an afterglow.