12 letters · 20 points in Scrabble
noun music that uses two or more different keys at the same time
originEtymology tree Proto-Indo-European *pleh₁- Proto-Indo-European *polh₁ús Ancient Greek πολῠ́ς (polŭ́s)lbor. English poly- English tonality English polytonality From poly- + tonality.
Etymology from Wiktionary, CC BY-SA 3.0