“وَ” (wa)a joining word meaning “and.” It connects this word to what came before.Corpus grammarCONJ — prefixed conjunction wa (and).
“الْ” (al)the Arabic equivalent of “the.” It makes the following noun specific.Corpus grammarDET — prefixed definite article.
“جَانَّ” (jānna)means “And the jinn” in this verse. It is a noun form. a word describing a doer or an action in progress. Its opening “mu-” is part of this word pattern, not a separate added word.Corpus grammarN — accusative active noun.