kiwen

kiwen are things whose form resists changing. This often talks about a hard physical material or object, like a rock or wood or crystal. It can describe something's material, so a chair made out of a hard material could be kiwen. It is additionally possible to talk about nonphysical things using kiwen, but by using kiwen to describe nonphysical things, their forms are being framed as resisting change. For example, I can describe a recipe as kiwen. With some explaining, this might mean that in order for me to consider it my recipe, it must not change, and if it does change it would no longer be my recipe. There are some other abstract perspectives of kiwen that differ from this, but they're often too abstract and not easily understood. I recommend clarifying what you mean with other words too if you use kiwen abstractly.