6 letters · 11 points in Scrabble
noun a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
originEtymology tree Ancient Greek χῐτών (khĭtṓn)der. Latin chitōnder. French chitinebor. English chitin From French chitine, from Latin chitōn (“mollusk”), from Ancient Greek χιτών (khitṓn). See also chiton.
Etymology from Wiktionary, CC BY-SA 3.0