[When you were on the near bank, and they were on the far bank].
Qatadah said: The two banks are the edge of the valley; the Muslims were at its upper side, and the polytheists...
﴿إِذْ أَنْتُمْ بِالْعُدْوَةِ الدُّنْيَا وَهُمْ بالعدوة القصوى﴾.
قَالَ قَتَادَةُ: الْعُدْوَتَانِ: شَفِيرُ الْوَادِي؛ كَانَ الْمُسْلِمُونَ بِأَعْلاهُ، وَالْمُشْرِكُونَ