فَلَمَّآ أَحَسُّوا۟ بَأْسَنَآ إِذَا هُم مِّنْهَا يَرْكُضُونَ
Important Words:
یرکضون (they began to flee) is derived from رکض which means, he moved his leg or foot; رکضه means, he repelled him. رکض الفرس means, he spurred or goaded the horse to run. رکض منه means, he fled from it (Aqrab & Lane).