āropitam abuddhibhiḥ

yatha-as it is; nabhasi-in the sky; meghaughah-a mass of clouds; renuh-dust; va-as well as; parthivah-muddiness; anile-in the air; evam-thus; drastari-to the seer; drsyatvam-for the purpose of seeing; aropitam-is implied; abuddhibhih-by the less intelligent persons.