Relating to poor digestion or stomach problems; characterized by indigestion.
From Greek kakos (bad) and gaster (stomach), with the suffix -ic. It combines the 'caco-' prefix (meaning bad) with the gastric root referring to the stomach.
In the 1800s, doctors diagnosed everything from nervousness to melancholy as 'cacogastric'—basically if your stomach was unhappy, it affected your whole mood and personality.
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