Etymology of the English word stomachache
the English word stomachache
derived from the English word stomach
derived from the Old French word stomaque
derived from the Latin word stomachus (gullet; stomach; annoyance)
derived from the Greek word stomachos, στόμαχος (gullet, oesophagus; an orifice (the gullet); (specially), the 'stomach')
derived from the Greek word stoma, στόμα (mouth; the mouth (as if a gash in the face); by implication, language (and its relations); figuratively, an opening (in the earth); specially, the front or edge (of a weapon))