“かかろ”与“かけろ”本来是一对自他动词。其最基本的意义,前者为“垂悬”、“悬挂”;后者为“挂上”、“搭上”。两者都可以看做是,一个处于不稳定的事物,或者把一个处于不稳定的事物,依托于某稳定着的事物,而使其得到或趋于稳定。假设处于不稳定状态的事物为甲,被依靠而使甲趋于稳定的事物为乙的话, “か か ろ” and “か け ろ” would have been a pair of self-verb. Its most basic meaning, the former is “hanging”, “hanging”; the latter is “hung up”, “catch.” Both can be seen as a thing that is unstable, or that stabilizes or stabilizes something that is unstable by relying on a stable thing. Suppose things in an unstable state are A, things that rely on and A tends to be stable,