فَأَثَرْنَ بِهِۦ نَقْعًۭا

 So thereupon raising dust.

Tafsir al-Jalalain                                                                                                                        تفسیر الجلالین                                                

{فَأَثَرْنَ} هَيَّجْنَ {بِهِ} بِمَكَانِ عَدْوهنَّ أَوْ بِذَلِكَ الْوَقْت {نَقْعًا} غُبَارًا بِشِدَّةِ حَرَكَتهنَّ

i.e. raising, stirring up, therein, in the place of their charge or at that time of dawn, a trail of dust, by the force of their movement.

Tafsir al-Jalalain of Imam Jalaaluddin Muhammad ibn Ahmad al-Mahalli al-Shafe’i t D. 864 A.H. and Imam Jalaaluddin Abd al-Rahman ibn Abi Bakr al-Suyooti al-Shafe’i t D. 911 A.H.