tolyang
A gap in a curtain or wall.
Ivv. tulyang 'a hole in a rock, etc.'
butas
Something (may-) develops a gap.
Naytolyang iyaw dyindyin mo.
Your wall developed a gap.
Someone causes a gap in something (pay--en).
Paytolyangen mwabaw dyindyin.
Don't make a gap in the wall.