1º_ Escardillo, tool in the form of a shovel or hoe that allows digging with more precise cuts in the ground. From the Latin sappa , ae with the same meaning . 2º_ Trench or trench dug with the shoe tool. 3º_ Inflection of the verb zapar . See verbs/zapa . 4º_ Granulated format on a surface, similar to that of sandpaper. It is said more in carving of skins or metals. The name should be inspired by the rough skin of some epiid animals. 5º_ Apocope of shoe or slipper.