My apologies to those with arachnophobia, I sometimes forget that such a thing exists... none of my fears
I've sort of side stepped the native elements within my current draft by having the character reference the land of Shinovar as the source of his knowledge.
My method of writing is basically me struggling to describe the movie/show I can see in my minds eye. In this case it was a shard blade with a webbing pattern on the blade.
King of nowhere, That is a good point, though not entirely complete. While most webs we see are in fact for catching flyers there are a number of other uses. For example there is a species of spider that spins its web between its four elongated front legs to create a net. Trapdoor spiders use their webbing to create their namesake trap doors that they hide under before pouncing upon anything unlucky enough to get too close. There are a number of spiders that live underwater and use their web to trap bubbles of air that they use for Another use is as an anchor/safety line... actually in the setting of Roshar having the capacity to create anchors as needed would likely be beneficial.