8 letters · 22 points in Scrabble
verb open the zipper of
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English zip English -ed English zipped English unzipped From un- + zipped.
Etymology from Wiktionary, CC BY-SA 3.0