وَتَتَّصِلُ بِأَوَاخِرِهَا حَرْفُ الْخِطَابِ.
Translation: An addressee-marking particle can attach to the end of a demonstrative.
The kāf of address in «ذَاكَ» addresses the listener. It does not describe the gender/number of the object pointed to, and is not a genitive pronoun in this construction.
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Demonstratives — forms, syntax and usage
وَتَتَّصِلُ بِأَوَاخِرِهَا حَرْفُ الْخِطَابِ.
Translation: An addressee-marking particle can attach to the end of a demonstrative.
The kāf of address in «ذَاكَ» addresses the listener. It does not describe the gender/number of the object pointed to, and is not a genitive pronoun in this construction.