42.7 – In this way We have inspired you (with) an Arabic Qur’ān
The expression “Arabic qur’ān” became very important in the claims that the Quran made for itself. For the meaning of qur’ān see the comment at 2.185; see also the analysis of claims for “Arabic” at 43.2–3.
According to Muslim tradition, the “mother of towns” is Mecca, though the name Mecca only appears once in the Quran (48.24), and there it is called a “belly” (baṭn), not a city.

42.7 – In this way We have inspired you (with) an Arabic Qur ’ ān
The expression “Arabic qur ’ ān ” became very important in the claims that the Quran made for itself. For the meaning of qur ’ ān see the comment at 2.185; see also the analysis of claims for “Arabic” at 43.2–3.
According to Muslim tradition, the “mother of towns” is Mecca, though the name Mecca only appears once in the Quran (48.24), and there it is called a “belly” ( baṭn ), not a city.