A roof-pitch unit of measure, i.e., the number of sides of a single or multi-pitched roof.
Un nin hinhā'ay iyatpan nen gūlun.
That cogon grass can perhaps thatch one roof-pitch.
A traditional house, baluy, and a pile hut have four roof-pitches, apat di hā'a; a hut, ābung, has two roof-pitches, duwan hā'a; a temporary daytime shelter, allung, has a one- or two-pitch roof.