عَشًا
Root: عشو
Full Definition
عَشًا
Verbal.Noun of عَشِىَ: [used as a simple subst., Weakness of sight: or sightlessness by night with ability to see by day: or] badness of sight by night and by day; as also
عَشَاوَةٌ : it is in human beings, and beasts of the equine kind (دَوَابّ), and camels, and birds; as is said in the M: or it is darkness that happens to the eye: or blindness; i. e. absolute destitution of sight.