ع ل ل

Etymology
It may be that is the original, in a meaning “hopefully not, lest”, so the ailment meanings are things expressed to “hopefully not” appear. That word, in turn, is likely just joined to later shortened. In 🇨🇬 this is even found in the form  as the conjunction following “to fear, to be afraid”, as  and.

Root

 * 1) related to weakness, malleability
 * 2) related to ailment, defect, emptiness, not at full capacity or at the best condition
 * 3) related to proferred reasons