11 letters · 18 points in Scrabble
noun confusion resulting from failure to understand
noun the activity of obscuring people's understanding, leaving them baffled or bewildered
noun darkening or obscuring the sight of something
originFrom Middle English obfuscacioun, from Latin obfuscātiō, obfuscātiōnem, from obfuscāre (“to darken”), from ob (“over”) + fuscāre (“to make dark”), from fuscus (“dark”).
Etymology from Wiktionary, CC BY-SA 3.0