8 letters · 9 points in Scrabble
noun a dark grey volcanic rock
originEtymology tree English Andes Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῑ́της (-ī́tēs)der. Latin -ītēsbor. French -iteder. English -ite English andesite From Andes + -ite.
Etymology from Wiktionary, CC BY-SA 3.0