Origin: The word GASTR originated from the Greek word GASTER which is derived from GASTRO means Stomach.
The words derived from this possess the above meaning.
Words:
Epigastric = Lying upon or over the stomach
Epigastrium = The part of the upper abdomen
Gastric = Of the stomach
Gastrin = Hormone which stimulates secretion of gastric juice
Gastritis = Inflammation of the lining of the stomach
Gastronomy = The art of choosing, cooking, and eating good food.
Gastroparesis = Delayed gastric emptying
Gastropod = A mollusc of the large class Gastropoda, such as a snail.
Mesogastric = Middle region of the abdomen
Myxogastria = Grouping of slime molds