Surah Al-'Adiyat 100:4
فَأَثَرْنَ بِهِۦ نَقْعًا
Stirring up thereby [clouds of] dust,
Translation: Saheeh International
Tafsir
raising stirring up therein in the place of their charge or at that time of dawn a trail of dust by the power of their movement
Excerpt from Tafsir al-Jalalayn, commentary on 100:4, via Quran.com. The reader has the full commentary and 9 more tafsirs.