For someone (agent muɴ-) to break a linear object (patient -on) in two, with or without the use of an implement as a knife, a bolo (inst i-, paN-), as to break a stick, a cane, a bean pod, an object as a basket.
For someone or something (actor -um- & inst; s actor maN- & inst) to accidentally break a linear object (patient -on) in two, as people who break a bridge by their weight when crossing, a wind which breaks a tree in a storm.