9 letters · 13 points in Scrabble
noun a bundle of sensory nerve fibers going to the thalamus
originBorrowed from Latin lēmniscus (“pendent ribbon”), from Ancient Greek λημνῐ́σκος (lēmnĭ́skos), from Λῆμνος (Lêmnos, “a Greek island Lemnos”) + -ίσκος (-ískos, “noun-forming diminutive suffix”).
Etymology from Wiktionary, CC BY-SA 3.0