Ponderocrescive describes foods or substances claimed to stimulate weight gain, from Latin roots meaning weight-increasing. The term belongs to older dietetic vocabulary, used for energy-dense, nourishing foods prescribed to the underweight, convalescent, or wasted: cream, butter, eggs, malted drinks, and fortified puddings intended to rebuild tissue. Modern clinical nutrition achieves the same goal more precisely with oral nutritional supplements, high-protein high-energy diets, and dietetic counselling, but the concept survives in the principle of energy-dense feeding for malnutrition. The word’s rarity today reflects medicine’s shift from evocative Latinisms to measurable outcomes: weight gain is now targeted in kilograms and assessed against body composition, not described in classical adjectives. Still, the underlying clinical need, helping wasted patients regain healthy weight, remains central to dietetic practice.