8 letters · 12 points in Scrabble
noun extreme malnutrition and emaciation (especially in children); can result from inadequate intake of food or from malabsorption or metabolic disorders
originBorrowed from Late Latin marasmus, from Ancient Greek μᾰρᾰσμός (mărăsmós, “withering”, noun).
Etymology from Wiktionary, CC BY-SA 3.0