For something (actor muɴ- & patient) to become crescent-shaped, as for the moon to develop to a one-third waxing or waning phase, natolwag, nalāngad; the horn of an animal to curve.
Nunlikāung di ha'gud nan ongol an nuwang'u.
The horns of my large carabao became crescent-shaped.
For someone (agent; s agent muɴ-) to construct something (patient) in a crescent-shape, as a bulging stone wall, a trail.