Indigestion, When Stomach Acid Enters Esophagus

This page is the CodyCross answer for the clue below from Resorts, Group 552, Puzzle 3 (Picturesque Islands).

Question is: Indigestion, When Stomach Acid Enters Esophagus

and the answer is: HEARTBURN

Word Meaning:

HEARTBURN — (pathology) A burning pain in the chest that is caused by stomach acid entering the gullet.

Definitions from Wiktionary.