8 letters · 28 points in Scrabble
noun slice of sweet raised bread baked again until it is brown and hard and crisp
originFrom German Zwieback, from zwie- (“twi-, two-”) + backen (“to bake”) (i.e. “twice-baked”), a calque of Italian biscotto (but not to be confused with it).
Etymology from Wiktionary, CC BY-SA 3.0