godan verb (-su)
Used for untying, unbuckling, or loosening something that is fastened, such as a knot, belt, or string. Often appears in the potential form ほごせる or negative ほごせない.
この結び目は固くてほごせない。
This knot is so tight I can't undo it.
帯をほごして着
I loosened the obi and took off the kimono.