لَعَلَّ
A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – لَعَلَّ is a particle
إِنَّ وَأَخَوَاتُهَا | حَرْفُ مُشَبِّهِ بِالْفِعْلِ | حَرْفُ نَصْبٍ | لَعَلَّ | It is hoped that | حَرْفٌ | حَرْفٌ لِلتَّمَنَّى |
Inna and her sisters | Particle resembling a verb | Accusative particle | Root | It may be that | Particle | Particle of wishing |