“فَ” (fa)a joining word meaning “then / so.” It connects this word to what came before.Corpus grammarCONJ — prefixed conjunction fa (then / so).
“لْ” (l)This prefix turns the following verb into an instruction or command.Corpus grammarIMPV — prefixed impv particle.
“يَعْبُدُ” (yaʿbudu)means “So let them worship” in this verse. It is a verb. an action or state word. Here it is imperfect verb, third person — masculine — plural, a command-related form.Corpus grammarV — third person masculine plural jussive imperfect verb.
“وا” (wā)an attached pronoun meaning “they” or “them.”Corpus grammarPRON — third person masculine plural subject pronoun.