“فَ” (fa)a joining word meaning “then / so.” It connects this word to what came before.Corpus grammarCONJ — prefixed conjunction fa (then / so).
“يَأْتِيَ” (yaʾatiya)means “And it will come to them” in this verse. It is a verb. an action or state word. Here it is imperfect verb, third person — masculine — singular, a dependent form.Corpus grammarV — third person masculine singular subjunctive imperfect verb.
“هُم” (hum)an attached pronoun meaning “they” or “them.”Corpus grammarPRON — third person masculine plural attached pronoun.