وَيَنقَلِبُ إِلَىٰٓ أَهْلِهِۦ مَسْرُورًۭا
Sentence structure
وَيَنقَلِبُ is a coordinated Form VII imperfect with understood هُوَ as subject. إِلَىٰٓ أَهْلِهِۦ is linked to it and مَسْرُورًا is an accusative circumstance.
Ayah summary
They will return to their people in happiness and peace.
وَيَنقَلِبُ — And he will return
Grammar: وَ coordinates; يَنقَلِبُ is a Form VII third-person masculine-singular imperfect with understood هُوَ as subject.
إِلَىٰٓ — to
Grammar: A preposition linked to يَنقَلِبُ.
أَهْلِهِۦ — his people
Grammar: أَهْلِ is genitive after إِلَىٰٓ and attached هِۦ its genitive possessor.
مَسْرُورًۭا — happily
Grammar: An indefinite accusative passive participle functioning as a circumstance.