7 letters · 18 points in Scrabble
noun a painting or carving (especially an altarpiece) on two panels (usually hinged like a book)
originFrom Late Latin diptycha, plural, from Ancient Greek, neuter plural of δίπτυχος (díptukhos, “folded, doubled”), from δι- (di-) + πτυχή (ptukhḗ, “fold, layer”).
Etymology from Wiktionary, CC BY-SA 3.0