gastric Look up gastric at Dictionary.com
1656, from Gk. gaster (gen. gastros) "stomach," by dissimilation from gran "to gnaw, eat." Gastronomy (1814) coined 1800 in Fr. as gastronomie by Joseph de Berchoux (1762-1838) as title of poem on good living, after Gastrologia, title of a now-lost poem of antiquity, quoted by Athenaeus, from gastro- "stomach" + logos "discourse."