Kalmar “crassitude” ba kalmar da aka saba amfani da ita ba ce a cikin harshen Ingilishi, kuma maiyuwa ba a same ta a yawancin ƙamus. Duk da haka, an yi imani da cewa asalin kalmar “crass” ne, wanda ke nufin rashin hankali, gyarawa, ko hankali. Don haka, ana iya tunanin cewa “rashin hankali” yana nufin yanayi ko ingancin zama mai katsalandan, ko kuma nunin halin ƙaƙƙarfan hali.
