“فَ” (fa)This word resumes the flow after a pause or change in thought.Corpus grammarREM — prefixed rem particle.
“غَشَّىٰ” (ghashāā)means “So covered them” in this verse. It is a verb. an action or state word. Here it is perfect verb, verb pattern two, third person — masculine — singular.Corpus grammarV — third person masculine singular perfect verb.
“هَا” (hā)an attached pronoun meaning “she” or “her.”Corpus grammarPRON — third person feminine singular attached pronoun.