وَجَآءَ رَبُّكَ وَٱلْمَلَكُ صَفًّۭا صَفًّۭا ۝٢٢ What is the first صَفًّۭا?

Surah Al-Fajr — Part 3

• Subject
• Circumstantial accusative
• Object
• Genitive adjective