وَأَرْجُلَكُمْ / وَأَرْجُلِكُمْ
And your feet.
The accusative and genitive readings of “arjulakum” in the ablution verse permit different syntactic connections. The accusative reading can be joined to the objects of washing, while the genitive reading raises the issue of wiping.
Analysis requires more than reporting a case ending. One must examine the coordination, what the other reading can mean, and how the two are understood alongside established practice.
This is an example of Qur'anic readings, Arabic syntax, and legal deduction working together.