"And the Mount of Sinai." Al-Tur is the mountain, and Sinin is, according to al-Hasan, the mountain from which Allah called to Moses, in the commentary of al-Hasan.
﴿وطور سِنِين﴾ الطُّورُ: الْجَبَلُ، وَسِنِينَ: الْحَسَنُ؛ وَهُوَ الْجَبَلُ الَّذِي نَادَى اللَّهُ مِنْهُ مُوسَى؛ فِي تَفْسِير الْحسن.