Biscotti, biscuit, and German Zwieback are the same word in three languages — all meaning "twice-cooked," a preservation technique that fed Roman legions and modern coffee shops alike.
Italian almond cookies baked twice for a hard, crunchy texture, traditionally served with coffee or dessert wine. The plural of biscotto.
From Italian biscotti, plural of biscotto (twice-cooked), from Medieval Latin biscoctum, from bis (twice) + coctus (cooked), past participle of coquere (to cook) Key roots: bis (Latin: "twice"), coquere (Latin: "to cook"), *pekʷ- (Proto-Indo-European: "to cook, ripen").