6 letters · 13 points in Scrabble
noun inability to coordinate voluntary muscle movements; unsteady movements and staggering gait
originBorrowed from Ancient Greek ἀταξία (ataxía, “disorder”), derived from ἄτακτος (átaktos, “disorderly”). By surface analysis, a- (“not”) + tax- (“order”) + -ia.
Etymology from Wiktionary, CC BY-SA 3.0