“وَ” (wa)This word resumes the flow after a pause or change in thought.Corpus grammarREM — prefixed rem particle.
“تَوَلَّ” (tawalla)means “So turn away” in this verse. It is a verb. an action or state word. Here it is verb pattern five, second person — masculine — singular.Corpus grammarV — second person masculine singular imperative verb.