لهب

أُلْهُوبٌ ذ , a subst., The ardour, or impetuosity, of a horse ( &c., Lh) in his course, or running: (S:) or his energy, or effort, in his course, so that he raises the dust: or a violent run, by which the dust (اللَّهَبُ) is raised: (TA:) or the commencement of a horse's course, or run. (K.) ― -b2- لَهُ أُلْهُوبٌ He runs violently, raising the dust. (TA.) See also أُهْلُوبٌ. ― -b3- Also used as an epithet: you say شَدٌّ أُلْهُوبٌ [ A violent run, in which the dust is raised ]. (TA.)