8 letters · 13 points in Scrabble
noun an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness)
originBorrowed from Ancient Greek γλαύκωμα (glaúkōma, “an opacity of the crystalline lens”), derived from γλαυκός (glaukós, “blue-green”).
Etymology from Wiktionary, CC BY-SA 3.0