8 letters · 15 points in Scrabble
noun a chronic contagious viral disease marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue
originFrom New Latin trachōma, from Ancient Greek τράχωμα (trákhōma, “roughness”), from τρᾱχύς (trākhús, “rough”) + -ωμα (-ōma).
Etymology from Wiktionary, CC BY-SA 3.0