وَانْتَهُوا خَيْرًا لَكُمْ
Translation: And desist—it is better for you.
وَ: conjunction.
انْتَهُوا: imperative, plural wāw as subject.
خَيْرًا: accusative expression explained through proposed omitted governors; it is not a routine direct object of “intahu”.
لَكُمْ: prepositional phrase.
There are variant grammatical reconstructions; the lesson confines itself to the source’s use of the construction.