Lane’s articleلَعَلَّ2 senses · 1 main
1
[May-be; perhaps]; a word expressing hope and fear.
It puts the subject in the accusative case and the predicate in the nominative.
See Ibn-ʿAkeel, ed. of Dieterici, p. 90; and see لَيْتَ.
1.1in its original and general use, expressing hope—لَعَلَّ
But in the word of God it often expresses certainty, and may be rendered "certainly".
Show Lane's original text
[May-be; perhaps]; a word denoting hope and fear. (K.) It governs the subject in the accus. case, and the predicate in the nom. See Ibn-'Akeel, ed. of Dieterici, p. 90; and see لَيْتَ . لَعَلَّ , in its original and general acceptation, expresses hope; but in the word of God it [often] expresses certainty, and may be rendered Verily. (Jel, ii. 19.)